640479840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 768

約数和(自身を含む): 2861236224

約数和(自身を除く): 2220756384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 31, 32, 33, 35, 39, 40, 42, 43, 44, 48, 52, 55, 56, 60, 62, 65, 66, 70, 77, 78, 80, 84, 86, 88, 91, 93, 96, 104, 105, 110, 112, 120, 124, 129, 130, 132, 140, 143, 154, 155, 156, 160, 165, 168, 172, 176, 182, 186, 195, 208, 210, 215, 217, 220, 224, 231, 240, 248, 258, 260, 264, 273, 280, 286, 301, 308, 310, 312, 330, 336, 341, 344, 352, 364, 372, 385, 390, 403, 416, 420, 429, 430, 434, 440, 455, 462, 465, 473, 480, 496, 516, 520, 528, 546, 559, 560, 572, 602, 616, 620, 624, 645, 651, 660, 672, 682, 688, 715, 728, 744, 770, 780, 806, 840, 858, 860, 868, 880, 903, 910, 924, 930, 946, 992, 1001, 1023, 1032, 1040, 1056, 1085, 1092, 1118, 1120, 1144, 1155, 1204, 1209, 1232, 1240, 1248, 1290, 1302, 1320, 1333, 1364, 1365, 1376, 1419, 1430, 1456, 1488, 1505, 1540, 1560, 1612, 1677, 1680, 1705, 1716, 1720, 1736, 1760, 1806, 1820, 1848, 1860, 1892, 2002, 2015, 2046, 2064, 2080, 2145, 2170, 2184, 2236, 2288, 2310, 2365, 2387, 2408, 2418, 2464, 2480, 2580, 2604, 2640, 2666, 2728, 2730, 2795, 2821, 2838, 2860, 2912, 2976, 3003, 3010, 3080, 3120, 3224, 3255, 3311, 3354, 3360, 3410, 3432, 3440, 3472, 3612, 3640, 3696, 3720, 3784, 3913, 3999, 4004, 4030, 4092, 4128, 4290, 4340, 4368, 4433, 4472, 4515, 4576, 4620, 4730, 4774, 4816, 4836, 4960, 5005, 5115, 5160, 5208, 5280, 5332, 5456, 5460, 5590, 5642, 5676, 5720, 6006, 6020, 6045, 6149, 6160, 6240, 6448, 6510, 6622, 6665, 6708, 6820, 6864, 6880, 6944, 7095, 7161, 7224, 7280, 7392, 7440, 7568, 7826, 7998, 8008, 8060, 8184, 8385, 8463, 8580, 8680, 8736, 8866, 8944, 9030, 9240, 9331, 9460, 9548, 9632, 9672, 9933, 10010, 10230, 10320, 10416, 10664, 10912, 10920, 11180, 11284, 11352, 11440, 11739, 11935, 12012, 12040, 12090, 12298, 12320, 12896, 13020, 13244, 13299, 13330, 13416, 13640, 13728, 14105, 14190, 14322, 14448, 14560, 14663, 14880, 15015, 15136, 15652, 15996, 16016, 16120, 16368, 16555, 16770, 16926, 17160, 17329, 17360, 17732, 17888, 18060, 18447, 18480, 18662, 18920, 19096, 19344, 19565, 19866, 19995, 20020, 20460, 20640, 20832, 21328, 21840, 22165, 22360, 22568, 22704, 22880, 23478, 23870, 24024, 24080, 24180, 24596, 26040, 26488, 26598, 26660, 26832, 27280, 27993, 28210, 28380, 28644, 28896, 29326, 30030, 30745, 31031, 31304, 31992, 32032, 32240, 32736, 33110, 33540, 33852, 34320, 34658, 34720, 35464, 35805, 36120, 36894, 36960, 37324, 37840, 38192, 38688, 39130, 39732, 39990, 40040, 40920, 42315, 42656, 43043, 43680, 43989, 44330, 44720, 45136, 45408, 46655, 46956, 47740, 48048, 48160, 48360, 49192, 49665, 51987, 52080, 52976, 53196, 53320, 53664, 54560, 55986, 56420, 56760, 57288, 58652, 58695, 60060, 61490, 62062, 62608, 63984, 64480, 66220, 66495, 67080, 67704, 68640, 69316, 70928, 71610, 72240, 73315, 73788, 74648, 75680, 76384, 78260, 79464, 79980, 80080, 81840, 84630, 86086, 86645, 87978, 88660, 89440, 90272, 92235, 93093, 93310, 93912, 95480, 96096, 96720, 98384, 99330, 102641, 103974, 104160, 105952, 106392, 106640, 111972, 112840, 113520, 114576, 117304, 117390, 120120, 121303, 122980, 124124, 125216, 127968, 129129, 132440, 132990, 134160, 135408, 138632, 139965, 141856, 143220, 144480, 146630, 147576, 149296, 155155, 156520, 158928, 159960, 160160, 163680, 169260, 172172, 173290, 175956, 177320, 184470, 186186, 186620, 187824, 190619, 190960, 193440, 196768, 198660, 205282, 207948, 212784, 213280, 215215, 219945, 223944, 225680, 227040, 229152, 234608, 234780, 240240, 242606, 245960, 248248, 258258, 259935, 264880, 265980, 268320, 270816, 277264, 279930, 286440, 293260, 295152, 298592, 307923, 310310, 313040, 317856, 319920, 338520, 344344, 346580, 351912, 354640, 363909, 368940, 372372, 373240, 375648, 381238, 381920, 397320, 410564, 415896, 425568, 430430, 439890, 447888, 451360, 465465, 469216, 469560, 480480, 485212, 491920, 496496, 513205, 516516, 519870, 529760, 531960, 554528, 559860, 571857, 572880, 586520, 590304, 606515, 615846, 620620, 626080, 639840, 645645, 677040, 688688, 693160, 703824, 709280, 727818, 737880, 744744, 746480, 762476, 794640, 821128, 831792, 860860, 879780, 895776, 930930, 939120, 953095, 970424, 983840, 992992, 1026410, 1033032, 1039740, 1063920, 1119720, 1143714, 1145760, 1173040, 1213030, 1231692, 1241240, 1291290, 1334333, 1354080, 1377376, 1386320, 1407648, 1455636, 1475760, 1489488, 1492960, 1524952, 1539615, 1589280, 1642256, 1663584, 1721720, 1759560, 1819545, 1861860, 1878240, 1906190, 1940848, 2052820, 2066064, 2079480, 2127840, 2239440, 2287428, 2346080, 2426060, 2463384, 2482480, 2582580, 2668666, 2772640, 2859285, 2911272, 2951520, 2978976, 3049904, 3079230, 3284512, 3443440, 3519120, 3639090, 3723720, 3812380, 3881696, 4002999, 4105640, 4132128, 4158960, 4478880, 4574856, 4852120, 4926768, 4964960, 5165160, 5337332, 5718570, 5822544, 6099808, 6158460, 6671665, 6886880, 7038240, 7278180, 7447440, 7624760, 8005998, 8211280, 8317920, 9149712, 9704240, 9853536, 10330320, 10674664, 11437140, 11645088, 12316920, 13343330, 14556360, 14894880, 15249520, 16011996, 16422560, 18299424, 19408480, 20014995, 20660640, 21349328, 22874280, 24633840, 26686660, 29112720, 30499040, 32023992, 40029990, 42698656, 45748560, 49267680, 53373320, 58225440, 64047984, 80059980, 91497120, 106746640, 128095968, 160119960, 213493280, 320239920, 640479840]

約数ペア:

[(1, 640479840), (2, 320239920), (3, 213493280), (4, 160119960), (5, 128095968), (6, 106746640), (7, 91497120), (8, 80059980), (10, 64047984), (11, 58225440), (12, 53373320), (13, 49267680), (14, 45748560), (15, 42698656), (16, 40029990), (20, 32023992), (21, 30499040), (22, 29112720), (24, 26686660), (26, 24633840), (28, 22874280), (30, 21349328), (31, 20660640), (32, 20014995), (33, 19408480), (35, 18299424), (39, 16422560), (40, 16011996), (42, 15249520), (43, 14894880), (44, 14556360), (48, 13343330), (52, 12316920), (55, 11645088), (56, 11437140), (60, 10674664), (62, 10330320), (65, 9853536), (66, 9704240), (70, 9149712), (77, 8317920), (78, 8211280), (80, 8005998), (84, 7624760), (86, 7447440), (88, 7278180), (91, 7038240), (93, 6886880), (96, 6671665), (104, 6158460), (105, 6099808), (110, 5822544), (112, 5718570), (120, 5337332), (124, 5165160), (129, 4964960), (130, 4926768), (132, 4852120), (140, 4574856), (143, 4478880), (154, 4158960), (155, 4132128), (156, 4105640), (160, 4002999), (165, 3881696), (168, 3812380), (172, 3723720), (176, 3639090), (182, 3519120), (186, 3443440), (195, 3284512), (208, 3079230), (210, 3049904), (215, 2978976), (217, 2951520), (220, 2911272), (224, 2859285), (231, 2772640), (240, 2668666), (248, 2582580), (258, 2482480), (260, 2463384), (264, 2426060), (273, 2346080), (280, 2287428), (286, 2239440), (301, 2127840), (308, 2079480), (310, 2066064), (312, 2052820), (330, 1940848), (336, 1906190), (341, 1878240), (344, 1861860), (352, 1819545), (364, 1759560), (372, 1721720), (385, 1663584), (390, 1642256), (403, 1589280), (416, 1539615), (420, 1524952), (429, 1492960), (430, 1489488), (434, 1475760), (440, 1455636), (455, 1407648), (462, 1386320), (465, 1377376), (473, 1354080), (480, 1334333), (496, 1291290), (516, 1241240), (520, 1231692), (528, 1213030), (546, 1173040), (559, 1145760), (560, 1143714), (572, 1119720), (602, 1063920), (616, 1039740), (620, 1033032), (624, 1026410), (645, 992992), (651, 983840), (660, 970424), (672, 953095), (682, 939120), (688, 930930), (715, 895776), (728, 879780), (744, 860860), (770, 831792), (780, 821128), (806, 794640), (840, 762476), (858, 746480), (860, 744744), (868, 737880), (880, 727818), (903, 709280), (910, 703824), (924, 693160), (930, 688688), (946, 677040), (992, 645645), (1001, 639840), (1023, 626080), (1032, 620620), (1040, 615846), (1056, 606515), (1085, 590304), (1092, 586520), (1118, 572880), (1120, 571857), (1144, 559860), (1155, 554528), (1204, 531960), (1209, 529760), (1232, 519870), (1240, 516516), (1248, 513205), (1290, 496496), (1302, 491920), (1320, 485212), (1333, 480480), (1364, 469560), (1365, 469216), (1376, 465465), (1419, 451360), (1430, 447888), (1456, 439890), (1488, 430430), (1505, 425568), (1540, 415896), (1560, 410564), (1612, 397320), (1677, 381920), (1680, 381238), (1705, 375648), (1716, 373240), (1720, 372372), (1736, 368940), (1760, 363909), (1806, 354640), (1820, 351912), (1848, 346580), (1860, 344344), (1892, 338520), (2002, 319920), (2015, 317856), (2046, 313040), (2064, 310310), (2080, 307923), (2145, 298592), (2170, 295152), (2184, 293260), (2236, 286440), (2288, 279930), (2310, 277264), (2365, 270816), (2387, 268320), (2408, 265980), (2418, 264880), (2464, 259935), (2480, 258258), (2580, 248248), (2604, 245960), (2640, 242606), (2666, 240240), (2728, 234780), (2730, 234608), (2795, 229152), (2821, 227040), (2838, 225680), (2860, 223944), (2912, 219945), (2976, 215215), (3003, 213280), (3010, 212784), (3080, 207948), (3120, 205282), (3224, 198660), (3255, 196768), (3311, 193440), (3354, 190960), (3360, 190619), (3410, 187824), (3432, 186620), (3440, 186186), (3472, 184470), (3612, 177320), (3640, 175956), (3696, 173290), (3720, 172172), (3784, 169260), (3913, 163680), (3999, 160160), (4004, 159960), (4030, 158928), (4092, 156520), (4128, 155155), (4290, 149296), (4340, 147576), (4368, 146630), (4433, 144480), (4472, 143220), (4515, 141856), (4576, 139965), (4620, 138632), (4730, 135408), (4774, 134160), (4816, 132990), (4836, 132440), (4960, 129129), (5005, 127968), (5115, 125216), (5160, 124124), (5208, 122980), (5280, 121303), (5332, 120120), (5456, 117390), (5460, 117304), (5590, 114576), (5642, 113520), (5676, 112840), (5720, 111972), (6006, 106640), (6020, 106392), (6045, 105952), (6149, 104160), (6160, 103974), (6240, 102641), (6448, 99330), (6510, 98384), (6622, 96720), (6665, 96096), (6708, 95480), (6820, 93912), (6864, 93310), (6880, 93093), (6944, 92235), (7095, 90272), (7161, 89440), (7224, 88660), (7280, 87978), (7392, 86645), (7440, 86086), (7568, 84630), (7826, 81840), (7998, 80080), (8008, 79980), (8060, 79464), (8184, 78260), (8385, 76384), (8463, 75680), (8580, 74648), (8680, 73788), (8736, 73315), (8866, 72240), (8944, 71610), (9030, 70928), (9240, 69316), (9331, 68640), (9460, 67704), (9548, 67080), (9632, 66495), (9672, 66220), (9933, 64480), (10010, 63984), (10230, 62608), (10320, 62062), (10416, 61490), (10664, 60060), (10912, 58695), (10920, 58652), (11180, 57288), (11284, 56760), (11352, 56420), (11440, 55986), (11739, 54560), (11935, 53664), (12012, 53320), (12040, 53196), (12090, 52976), (12298, 52080), (12320, 51987), (12896, 49665), (13020, 49192), (13244, 48360), (13299, 48160), (13330, 48048), (13416, 47740), (13640, 46956), (13728, 46655), (14105, 45408), (14190, 45136), (14322, 44720), (14448, 44330), (14560, 43989), (14663, 43680), (14880, 43043), (15015, 42656), (15136, 42315), (15652, 40920), (15996, 40040), (16016, 39990), (16120, 39732), (16368, 39130), (16555, 38688), (16770, 38192), (16926, 37840), (17160, 37324), (17329, 36960), (17360, 36894), (17732, 36120), (17888, 35805), (18060, 35464), (18447, 34720), (18480, 34658), (18662, 34320), (18920, 33852), (19096, 33540), (19344, 33110), (19565, 32736), (19866, 32240), (19995, 32032), (20020, 31992), (20460, 31304), (20640, 31031), (20832, 30745), (21328, 30030), (21840, 29326), (22165, 28896), (22360, 28644), (22568, 28380), (22704, 28210), (22880, 27993), (23478, 27280), (23870, 26832), (24024, 26660), (24080, 26598), (24180, 26488), (24596, 26040)]