640410624

素因数分解:

$2^{10}\times 3^4\times 7^1\times {\mathrm{1103}}^1$

素因数の和:1142

約数の個数: 220

約数和(自身を含む): 2187571584

約数和(自身を除く): 1547160960

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 252, 256, 288, 324, 336, 378, 384, 432, 448, 504, 512, 567, 576, 648, 672, 756, 768, 864, 896, 1008, 1024, 1103, 1134, 1152, 1296, 1344, 1512, 1536, 1728, 1792, 2016, 2206, 2268, 2304, 2592, 2688, 3024, 3072, 3309, 3456, 3584, 4032, 4412, 4536, 4608, 5184, 5376, 6048, 6618, 6912, 7168, 7721, 8064, 8824, 9072, 9216, 9927, 10368, 10752, 12096, 13236, 13824, 15442, 16128, 17648, 18144, 19854, 20736, 21504, 23163, 24192, 26472, 27648, 29781, 30884, 32256, 35296, 36288, 39708, 41472, 46326, 48384, 52944, 59562, 61768, 64512, 69489, 70592, 72576, 79416, 82944, 89343, 92652, 96768, 105888, 119124, 123536, 138978, 141184, 145152, 158832, 178686, 185304, 193536, 208467, 211776, 238248, 247072, 277956, 282368, 290304, 317664, 357372, 370608, 416934, 423552, 476496, 494144, 555912, 564736, 580608, 625401, 635328, 714744, 741216, 833868, 847104, 952992, 988288, 1111824, 1129472, 1250802, 1270656, 1429488, 1482432, 1667736, 1694208, 1905984, 1976576, 2223648, 2501604, 2541312, 2858976, 2964864, 3335472, 3388416, 3811968, 3953152, 4447296, 5003208, 5082624, 5717952, 5929728, 6670944, 7623936, 7906304, 8894592, 10006416, 10165248, 11435904, 11859456, 13341888, 15247872, 17789184, 20012832, 22871808, 23718912, 26683776, 30495744, 35578368, 40025664, 45743616, 53367552, 71156736, 80051328, 91487232, 106735104, 160102656, 213470208, 320205312, 640410624]

約数ペア:

[(1, 640410624), (2, 320205312), (3, 213470208), (4, 160102656), (6, 106735104), (7, 91487232), (8, 80051328), (9, 71156736), (12, 53367552), (14, 45743616), (16, 40025664), (18, 35578368), (21, 30495744), (24, 26683776), (27, 23718912), (28, 22871808), (32, 20012832), (36, 17789184), (42, 15247872), (48, 13341888), (54, 11859456), (56, 11435904), (63, 10165248), (64, 10006416), (72, 8894592), (81, 7906304), (84, 7623936), (96, 6670944), (108, 5929728), (112, 5717952), (126, 5082624), (128, 5003208), (144, 4447296), (162, 3953152), (168, 3811968), (189, 3388416), (192, 3335472), (216, 2964864), (224, 2858976), (252, 2541312), (256, 2501604), (288, 2223648), (324, 1976576), (336, 1905984), (378, 1694208), (384, 1667736), (432, 1482432), (448, 1429488), (504, 1270656), (512, 1250802), (567, 1129472), (576, 1111824), (648, 988288), (672, 952992), (756, 847104), (768, 833868), (864, 741216), (896, 714744), (1008, 635328), (1024, 625401), (1103, 580608), (1134, 564736), (1152, 555912), (1296, 494144), (1344, 476496), (1512, 423552), (1536, 416934), (1728, 370608), (1792, 357372), (2016, 317664), (2206, 290304), (2268, 282368), (2304, 277956), (2592, 247072), (2688, 238248), (3024, 211776), (3072, 208467), (3309, 193536), (3456, 185304), (3584, 178686), (4032, 158832), (4412, 145152), (4536, 141184), (4608, 138978), (5184, 123536), (5376, 119124), (6048, 105888), (6618, 96768), (6912, 92652), (7168, 89343), (7721, 82944), (8064, 79416), (8824, 72576), (9072, 70592), (9216, 69489), (9927, 64512), (10368, 61768), (10752, 59562), (12096, 52944), (13236, 48384), (13824, 46326), (15442, 41472), (16128, 39708), (17648, 36288), (18144, 35296), (19854, 32256), (20736, 30884), (21504, 29781), (23163, 27648), (24192, 26472)]