640921680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 640

約数和(自身を含む): 2799820800

約数和(自身を除く): 2158899120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 23, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 46, 48, 54, 56, 57, 60, 63, 69, 70, 72, 76, 80, 84, 90, 92, 95, 97, 105, 108, 112, 114, 115, 120, 126, 133, 135, 138, 140, 144, 152, 161, 168, 171, 180, 184, 189, 190, 194, 207, 210, 216, 228, 230, 240, 252, 266, 270, 276, 280, 285, 291, 304, 315, 322, 336, 342, 345, 360, 368, 378, 380, 388, 399, 414, 420, 432, 437, 456, 460, 483, 485, 504, 513, 532, 540, 552, 560, 570, 582, 621, 630, 644, 665, 679, 684, 690, 720, 756, 760, 776, 798, 805, 828, 840, 855, 873, 874, 912, 920, 945, 966, 970, 1008, 1026, 1035, 1064, 1080, 1104, 1140, 1164, 1197, 1242, 1260, 1288, 1311, 1330, 1358, 1368, 1380, 1449, 1455, 1512, 1520, 1552, 1596, 1610, 1656, 1680, 1710, 1746, 1748, 1840, 1843, 1890, 1932, 1940, 1995, 2037, 2052, 2070, 2128, 2160, 2185, 2231, 2280, 2328, 2394, 2415, 2484, 2520, 2565, 2576, 2619, 2622, 2660, 2716, 2736, 2760, 2898, 2910, 3024, 3059, 3105, 3192, 3220, 3312, 3395, 3420, 3492, 3496, 3591, 3686, 3780, 3864, 3880, 3933, 3990, 4074, 4104, 4140, 4347, 4365, 4370, 4462, 4560, 4656, 4788, 4830, 4968, 5040, 5130, 5238, 5244, 5320, 5432, 5520, 5529, 5796, 5820, 5985, 6111, 6118, 6210, 6384, 6440, 6555, 6693, 6790, 6840, 6984, 6992, 7182, 7245, 7372, 7560, 7728, 7760, 7866, 7980, 8148, 8208, 8280, 8694, 8730, 8740, 8924, 9177, 9215, 9576, 9660, 9936, 10185, 10260, 10476, 10488, 10640, 10864, 11058, 11155, 11592, 11640, 11799, 11970, 12222, 12236, 12420, 12880, 12901, 13095, 13110, 13386, 13580, 13680, 13968, 14364, 14490, 14744, 15120, 15295, 15617, 15732, 15960, 16296, 16560, 16587, 17388, 17460, 17480, 17848, 17955, 18333, 18354, 18430, 19152, 19320, 19665, 20079, 20370, 20520, 20952, 20976, 21735, 22116, 22310, 23184, 23280, 23598, 23940, 24444, 24472, 24840, 25802, 26190, 26220, 26772, 27160, 27531, 27645, 28728, 28980, 29488, 30555, 30590, 31234, 31464, 31920, 32592, 33174, 33465, 34776, 34920, 34960, 35696, 35910, 36666, 36708, 36860, 38640, 38703, 39330, 40158, 40740, 41040, 41904, 42389, 43470, 44232, 44620, 45885, 46851, 47196, 47880, 48888, 48944, 49680, 49761, 51604, 52380, 52440, 53544, 54320, 55062, 55290, 57456, 57960, 58995, 60237, 61110, 61180, 62468, 62928, 64505, 66348, 66930, 69552, 69840, 71820, 73332, 73416, 73720, 77406, 78085, 78660, 80316, 81480, 82593, 82935, 84778, 86940, 88464, 89240, 91665, 91770, 93702, 94392, 95760, 97776, 99522, 100395, 103208, 104760, 104880, 107088, 110124, 110580, 115920, 116109, 117990, 120474, 122220, 122360, 124936, 127167, 129010, 132696, 133860, 137655, 140553, 143640, 146664, 146832, 147440, 154812, 156170, 157320, 160632, 162960, 165186, 165870, 169556, 173880, 178480, 183330, 183540, 187404, 188784, 193515, 199044, 200790, 206416, 209520, 211945, 220248, 221160, 232218, 234255, 235980, 240948, 244440, 244720, 248805, 249872, 254334, 258020, 265392, 267720, 275310, 281106, 287280, 293328, 296723, 301185, 309624, 312340, 314640, 321264, 330372, 331740, 339112, 347760, 348327, 366660, 367080, 374808, 381501, 387030, 398088, 401580, 412965, 421659, 423890, 440496, 442320, 464436, 468510, 471960, 481896, 488880, 497610, 508668, 516040, 535440, 550620, 562212, 580545, 593446, 602370, 619248, 624680, 635835, 660744, 663480, 678224, 696654, 702765, 733320, 734160, 749616, 763002, 774060, 796176, 803160, 825930, 843318, 847780, 890169, 928872, 937020, 943920, 963792, 995220, 1017336, 1032080, 1101240, 1124424, 1144503, 1161090, 1186892, 1204740, 1249360, 1271670, 1321488, 1326960, 1393308, 1405530, 1466640, 1483615, 1526004, 1548120, 1606320, 1651860, 1686636, 1695560, 1741635, 1780338, 1857744, 1874040, 1907505, 1990440, 2034672, 2108295, 2202480, 2248848, 2289006, 2322180, 2373784, 2409480, 2543340, 2670507, 2786616, 2811060, 2967230, 3052008, 3096240, 3303720, 3373272, 3391120, 3483270, 3560676, 3748080, 3815010, 3980880, 4216590, 4450845, 4578012, 4644360, 4747568, 4818960, 5086680, 5341014, 5573232, 5622120, 5722515, 5934460, 6104016, 6607440, 6746544, 6966540, 7121352, 7630020, 8011521, 8433180, 8901690, 9156024, 9288720, 10173360, 10682028, 11244240, 11445030, 11868920, 13352535, 13933080, 14242704, 15260040, 16023042, 16866360, 17803380, 18312048, 21364056, 22890060, 23737840, 26705070, 27866160, 30520080, 32046084, 33732720, 35606760, 40057605, 42728112, 45780120, 53410140, 64092168, 71213520, 80115210, 91560240, 106820280, 128184336, 160230420, 213640560, 320460840, 640921680]

約数ペア:

[(1, 640921680), (2, 320460840), (3, 213640560), (4, 160230420), (5, 128184336), (6, 106820280), (7, 91560240), (8, 80115210), (9, 71213520), (10, 64092168), (12, 53410140), (14, 45780120), (15, 42728112), (16, 40057605), (18, 35606760), (19, 33732720), (20, 32046084), (21, 30520080), (23, 27866160), (24, 26705070), (27, 23737840), (28, 22890060), (30, 21364056), (35, 18312048), (36, 17803380), (38, 16866360), (40, 16023042), (42, 15260040), (45, 14242704), (46, 13933080), (48, 13352535), (54, 11868920), (56, 11445030), (57, 11244240), (60, 10682028), (63, 10173360), (69, 9288720), (70, 9156024), (72, 8901690), (76, 8433180), (80, 8011521), (84, 7630020), (90, 7121352), (92, 6966540), (95, 6746544), (97, 6607440), (105, 6104016), (108, 5934460), (112, 5722515), (114, 5622120), (115, 5573232), (120, 5341014), (126, 5086680), (133, 4818960), (135, 4747568), (138, 4644360), (140, 4578012), (144, 4450845), (152, 4216590), (161, 3980880), (168, 3815010), (171, 3748080), (180, 3560676), (184, 3483270), (189, 3391120), (190, 3373272), (194, 3303720), (207, 3096240), (210, 3052008), (216, 2967230), (228, 2811060), (230, 2786616), (240, 2670507), (252, 2543340), (266, 2409480), (270, 2373784), (276, 2322180), (280, 2289006), (285, 2248848), (291, 2202480), (304, 2108295), (315, 2034672), (322, 1990440), (336, 1907505), (342, 1874040), (345, 1857744), (360, 1780338), (368, 1741635), (378, 1695560), (380, 1686636), (388, 1651860), (399, 1606320), (414, 1548120), (420, 1526004), (432, 1483615), (437, 1466640), (456, 1405530), (460, 1393308), (483, 1326960), (485, 1321488), (504, 1271670), (513, 1249360), (532, 1204740), (540, 1186892), (552, 1161090), (560, 1144503), (570, 1124424), (582, 1101240), (621, 1032080), (630, 1017336), (644, 995220), (665, 963792), (679, 943920), (684, 937020), (690, 928872), (720, 890169), (756, 847780), (760, 843318), (776, 825930), (798, 803160), (805, 796176), (828, 774060), (840, 763002), (855, 749616), (873, 734160), (874, 733320), (912, 702765), (920, 696654), (945, 678224), (966, 663480), (970, 660744), (1008, 635835), (1026, 624680), (1035, 619248), (1064, 602370), (1080, 593446), (1104, 580545), (1140, 562212), (1164, 550620), (1197, 535440), (1242, 516040), (1260, 508668), (1288, 497610), (1311, 488880), (1330, 481896), (1358, 471960), (1368, 468510), (1380, 464436), (1449, 442320), (1455, 440496), (1512, 423890), (1520, 421659), (1552, 412965), (1596, 401580), (1610, 398088), (1656, 387030), (1680, 381501), (1710, 374808), (1746, 367080), (1748, 366660), (1840, 348327), (1843, 347760), (1890, 339112), (1932, 331740), (1940, 330372), (1995, 321264), (2037, 314640), (2052, 312340), (2070, 309624), (2128, 301185), (2160, 296723), (2185, 293328), (2231, 287280), (2280, 281106), (2328, 275310), (2394, 267720), (2415, 265392), (2484, 258020), (2520, 254334), (2565, 249872), (2576, 248805), (2619, 244720), (2622, 244440), (2660, 240948), (2716, 235980), (2736, 234255), (2760, 232218), (2898, 221160), (2910, 220248), (3024, 211945), (3059, 209520), (3105, 206416), (3192, 200790), (3220, 199044), (3312, 193515), (3395, 188784), (3420, 187404), (3492, 183540), (3496, 183330), (3591, 178480), (3686, 173880), (3780, 169556), (3864, 165870), (3880, 165186), (3933, 162960), (3990, 160632), (4074, 157320), (4104, 156170), (4140, 154812), (4347, 147440), (4365, 146832), (4370, 146664), (4462, 143640), (4560, 140553), (4656, 137655), (4788, 133860), (4830, 132696), (4968, 129010), (5040, 127167), (5130, 124936), (5238, 122360), (5244, 122220), (5320, 120474), (5432, 117990), (5520, 116109), (5529, 115920), (5796, 110580), (5820, 110124), (5985, 107088), (6111, 104880), (6118, 104760), (6210, 103208), (6384, 100395), (6440, 99522), (6555, 97776), (6693, 95760), (6790, 94392), (6840, 93702), (6984, 91770), (6992, 91665), (7182, 89240), (7245, 88464), (7372, 86940), (7560, 84778), (7728, 82935), (7760, 82593), (7866, 81480), (7980, 80316), (8148, 78660), (8208, 78085), (8280, 77406), (8694, 73720), (8730, 73416), (8740, 73332), (8924, 71820), (9177, 69840), (9215, 69552), (9576, 66930), (9660, 66348), (9936, 64505), (10185, 62928), (10260, 62468), (10476, 61180), (10488, 61110), (10640, 60237), (10864, 58995), (11058, 57960), (11155, 57456), (11592, 55290), (11640, 55062), (11799, 54320), (11970, 53544), (12222, 52440), (12236, 52380), (12420, 51604), (12880, 49761), (12901, 49680), (13095, 48944), (13110, 48888), (13386, 47880), (13580, 47196), (13680, 46851), (13968, 45885), (14364, 44620), (14490, 44232), (14744, 43470), (15120, 42389), (15295, 41904), (15617, 41040), (15732, 40740), (15960, 40158), (16296, 39330), (16560, 38703), (16587, 38640), (17388, 36860), (17460, 36708), (17480, 36666), (17848, 35910), (17955, 35696), (18333, 34960), (18354, 34920), (18430, 34776), (19152, 33465), (19320, 33174), (19665, 32592), (20079, 31920), (20370, 31464), (20520, 31234), (20952, 30590), (20976, 30555), (21735, 29488), (22116, 28980), (22310, 28728), (23184, 27645), (23280, 27531), (23598, 27160), (23940, 26772), (24444, 26220), (24472, 26190), (24840, 25802)]