20528177280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:632

約数の個数: 512

約数和(自身を含む): 75508070400

約数和(自身を除く): 54979893120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 96, 101, 102, 104, 120, 128, 130, 136, 156, 160, 170, 192, 195, 202, 204, 208, 221, 240, 255, 260, 272, 303, 312, 320, 340, 384, 390, 404, 408, 416, 442, 479, 480, 505, 510, 520, 544, 606, 624, 640, 663, 680, 780, 808, 816, 832, 884, 958, 960, 1010, 1020, 1040, 1088, 1105, 1212, 1248, 1313, 1326, 1360, 1437, 1515, 1560, 1616, 1632, 1664, 1717, 1768, 1916, 1920, 2020, 2040, 2080, 2176, 2210, 2395, 2424, 2496, 2626, 2652, 2720, 2874, 3030, 3120, 3232, 3264, 3315, 3434, 3536, 3832, 3939, 4040, 4080, 4160, 4420, 4790, 4848, 4992, 5151, 5252, 5304, 5440, 5748, 6060, 6227, 6240, 6464, 6528, 6565, 6630, 6868, 7072, 7185, 7664, 7878, 8080, 8143, 8160, 8320, 8585, 8840, 9580, 9696, 10302, 10504, 10608, 10880, 11496, 12120, 12454, 12480, 12928, 13130, 13260, 13736, 14144, 14370, 15328, 15756, 16160, 16286, 16320, 17170, 17680, 18681, 19160, 19392, 19695, 20604, 21008, 21216, 22321, 22992, 24240, 24429, 24908, 24960, 25755, 26260, 26520, 27472, 28288, 28740, 30656, 31135, 31512, 32320, 32572, 32640, 34340, 35360, 37362, 38320, 38784, 39390, 40715, 41208, 42016, 42432, 44642, 45984, 48379, 48480, 48858, 49816, 51510, 52520, 53040, 54944, 57480, 61312, 62270, 63024, 64640, 65144, 66963, 68680, 70720, 74724, 76640, 78780, 81430, 82416, 84032, 84864, 89284, 91968, 93405, 96758, 96960, 97716, 99632, 103020, 105040, 105859, 106080, 109888, 111605, 114960, 122145, 124540, 126048, 130288, 133926, 137360, 141440, 145137, 149448, 153280, 157560, 162860, 164832, 168064, 178568, 183936, 186810, 193516, 193920, 195432, 199264, 206040, 210080, 211718, 212160, 219776, 223210, 229920, 241895, 244290, 249080, 252096, 260576, 267852, 274720, 290274, 298896, 306560, 315120, 317577, 325720, 329664, 334815, 357136, 373620, 387032, 390864, 398528, 412080, 420160, 423436, 424320, 446420, 459840, 483790, 488580, 498160, 504192, 521152, 529295, 535704, 549440, 580548, 597792, 628927, 630240, 635154, 651440, 659328, 669630, 714272, 725685, 747240, 774064, 781728, 797056, 822443, 824160, 840320, 846872, 892840, 919680, 967580, 977160, 996320, 1042304, 1058590, 1071408, 1098880, 1161096, 1195584, 1257854, 1260480, 1270308, 1302880, 1339260, 1428544, 1451370, 1494480, 1548128, 1563456, 1587885, 1644886, 1648320, 1693744, 1785680, 1886781, 1935160, 1954320, 1992640, 2117180, 2142816, 2322192, 2391168, 2467329, 2515708, 2520960, 2540616, 2605760, 2678520, 2857088, 2902740, 2988960, 3096256, 3126912, 3144635, 3175770, 3289772, 3296640, 3387488, 3571360, 3773562, 3870320, 3908640, 3985280, 4112215, 4234360, 4285632, 4644384, 4934658, 5031416, 5081232, 5211520, 5357040, 5805480, 5977920, 6192512, 6289270, 6351540, 6579544, 6774976, 7142720, 7547124, 7740640, 7817280, 8224430, 8468720, 8571264, 9288768, 9433905, 9869316, 10062832, 10162464, 10691759, 10714080, 11610960, 11955840, 12336645, 12578540, 12703080, 13159088, 13549952, 14285440, 15094248, 15481280, 15634560, 16448860, 16937440, 18577536, 18867810, 19738632, 20125664, 20324928, 21383518, 21428160, 23221920, 24673290, 25157080, 25406160, 26318176, 30188496, 30962560, 32075277, 32897720, 33874880, 37735620, 39477264, 40251328, 40649856, 42767036, 42856320, 46443840, 49346580, 50314160, 50812320, 52636352, 53458795, 60376992, 64150554, 65795440, 67749760, 75471240, 78954528, 80502656, 85534072, 92887680, 98693160, 100628320, 101624640, 105272704, 106917590, 120753984, 128301108, 131590880, 150942480, 157909056, 160376385, 171068144, 197386320, 201256640, 203249280, 213835180, 241507968, 256602216, 263181760, 301884960, 315818112, 320752770, 342136288, 394772640, 402513280, 427670360, 513204432, 526363520, 603769920, 641505540, 684272576, 789545280, 855340720, 1026408864, 1207539840, 1283011080, 1368545152, 1579090560, 1710681440, 2052817728, 2566022160, 3421362880, 4105635456, 5132044320, 6842725760, 10264088640, 20528177280]

約数ペア:

[(1, 20528177280), (2, 10264088640), (3, 6842725760), (4, 5132044320), (5, 4105635456), (6, 3421362880), (8, 2566022160), (10, 2052817728), (12, 1710681440), (13, 1579090560), (15, 1368545152), (16, 1283011080), (17, 1207539840), (20, 1026408864), (24, 855340720), (26, 789545280), (30, 684272576), (32, 641505540), (34, 603769920), (39, 526363520), (40, 513204432), (48, 427670360), (51, 402513280), (52, 394772640), (60, 342136288), (64, 320752770), (65, 315818112), (68, 301884960), (78, 263181760), (80, 256602216), (85, 241507968), (96, 213835180), (101, 203249280), (102, 201256640), (104, 197386320), (120, 171068144), (128, 160376385), (130, 157909056), (136, 150942480), (156, 131590880), (160, 128301108), (170, 120753984), (192, 106917590), (195, 105272704), (202, 101624640), (204, 100628320), (208, 98693160), (221, 92887680), (240, 85534072), (255, 80502656), (260, 78954528), (272, 75471240), (303, 67749760), (312, 65795440), (320, 64150554), (340, 60376992), (384, 53458795), (390, 52636352), (404, 50812320), (408, 50314160), (416, 49346580), (442, 46443840), (479, 42856320), (480, 42767036), (505, 40649856), (510, 40251328), (520, 39477264), (544, 37735620), (606, 33874880), (624, 32897720), (640, 32075277), (663, 30962560), (680, 30188496), (780, 26318176), (808, 25406160), (816, 25157080), (832, 24673290), (884, 23221920), (958, 21428160), (960, 21383518), (1010, 20324928), (1020, 20125664), (1040, 19738632), (1088, 18867810), (1105, 18577536), (1212, 16937440), (1248, 16448860), (1313, 15634560), (1326, 15481280), (1360, 15094248), (1437, 14285440), (1515, 13549952), (1560, 13159088), (1616, 12703080), (1632, 12578540), (1664, 12336645), (1717, 11955840), (1768, 11610960), (1916, 10714080), (1920, 10691759), (2020, 10162464), (2040, 10062832), (2080, 9869316), (2176, 9433905), (2210, 9288768), (2395, 8571264), (2424, 8468720), (2496, 8224430), (2626, 7817280), (2652, 7740640), (2720, 7547124), (2874, 7142720), (3030, 6774976), (3120, 6579544), (3232, 6351540), (3264, 6289270), (3315, 6192512), (3434, 5977920), (3536, 5805480), (3832, 5357040), (3939, 5211520), (4040, 5081232), (4080, 5031416), (4160, 4934658), (4420, 4644384), (4790, 4285632), (4848, 4234360), (4992, 4112215), (5151, 3985280), (5252, 3908640), (5304, 3870320), (5440, 3773562), (5748, 3571360), (6060, 3387488), (6227, 3296640), (6240, 3289772), (6464, 3175770), (6528, 3144635), (6565, 3126912), (6630, 3096256), (6868, 2988960), (7072, 2902740), (7185, 2857088), (7664, 2678520), (7878, 2605760), (8080, 2540616), (8143, 2520960), (8160, 2515708), (8320, 2467329), (8585, 2391168), (8840, 2322192), (9580, 2142816), (9696, 2117180), (10302, 1992640), (10504, 1954320), (10608, 1935160), (10880, 1886781), (11496, 1785680), (12120, 1693744), (12454, 1648320), (12480, 1644886), (12928, 1587885), (13130, 1563456), (13260, 1548128), (13736, 1494480), (14144, 1451370), (14370, 1428544), (15328, 1339260), (15756, 1302880), (16160, 1270308), (16286, 1260480), (16320, 1257854), (17170, 1195584), (17680, 1161096), (18681, 1098880), (19160, 1071408), (19392, 1058590), (19695, 1042304), (20604, 996320), (21008, 977160), (21216, 967580), (22321, 919680), (22992, 892840), (24240, 846872), (24429, 840320), (24908, 824160), (24960, 822443), (25755, 797056), (26260, 781728), (26520, 774064), (27472, 747240), (28288, 725685), (28740, 714272), (30656, 669630), (31135, 659328), (31512, 651440), (32320, 635154), (32572, 630240), (32640, 628927), (34340, 597792), (35360, 580548), (37362, 549440), (38320, 535704), (38784, 529295), (39390, 521152), (40715, 504192), (41208, 498160), (42016, 488580), (42432, 483790), (44642, 459840), (45984, 446420), (48379, 424320), (48480, 423436), (48858, 420160), (49816, 412080), (51510, 398528), (52520, 390864), (53040, 387032), (54944, 373620), (57480, 357136), (61312, 334815), (62270, 329664), (63024, 325720), (64640, 317577), (65144, 315120), (66963, 306560), (68680, 298896), (70720, 290274), (74724, 274720), (76640, 267852), (78780, 260576), (81430, 252096), (82416, 249080), (84032, 244290), (84864, 241895), (89284, 229920), (91968, 223210), (93405, 219776), (96758, 212160), (96960, 211718), (97716, 210080), (99632, 206040), (103020, 199264), (105040, 195432), (105859, 193920), (106080, 193516), (109888, 186810), (111605, 183936), (114960, 178568), (122145, 168064), (124540, 164832), (126048, 162860), (130288, 157560), (133926, 153280), (137360, 149448), (141440, 145137)]