251215834880

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1\times {\mathrm{2521}}^1$

素因数の和:3282

約数の個数: 144

約数和(自身を含む): 607708867584

約数和(自身を除く): 356493032704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 613, 635, 640, 1016, 1226, 1270, 1280, 2032, 2452, 2521, 2540, 3065, 4064, 4904, 5042, 5080, 6130, 8128, 9808, 10084, 10160, 12260, 12605, 16256, 19616, 20168, 20320, 24520, 25210, 32512, 39232, 40336, 40640, 49040, 50420, 77851, 78464, 80672, 81280, 98080, 100840, 155702, 156928, 161344, 162560, 196160, 201680, 311404, 320167, 322688, 389255, 392320, 403360, 622808, 640334, 645376, 778510, 784640, 806720, 1245616, 1280668, 1545373, 1557020, 1600835, 1613440, 2491232, 2561336, 3090746, 3114040, 3201670, 3226880, 4982464, 5122672, 6181492, 6228080, 6403340, 7726865, 9964928, 10245344, 12362984, 12456160, 12806680, 15453730, 19929856, 20490688, 24725968, 24912320, 25613360, 30907460, 40981376, 49451936, 49824640, 51226720, 61814920, 81962752, 98903872, 99649280, 102453440, 123629840, 196262371, 197807744, 204906880, 247259680, 392524742, 395615488, 409813760, 494519360, 785049484, 981311855, 989038720, 1570098968, 1962623710, 1978077440, 3140197936, 3925247420, 6280395872, 7850494840, 12560791744, 15700989680, 25121583488, 31401979360, 50243166976, 62803958720, 125607917440, 251215834880]

約数ペア:

[(1, 251215834880), (2, 125607917440), (4, 62803958720), (5, 50243166976), (8, 31401979360), (10, 25121583488), (16, 15700989680), (20, 12560791744), (32, 7850494840), (40, 6280395872), (64, 3925247420), (80, 3140197936), (127, 1978077440), (128, 1962623710), (160, 1570098968), (254, 989038720), (256, 981311855), (320, 785049484), (508, 494519360), (613, 409813760), (635, 395615488), (640, 392524742), (1016, 247259680), (1226, 204906880), (1270, 197807744), (1280, 196262371), (2032, 123629840), (2452, 102453440), (2521, 99649280), (2540, 98903872), (3065, 81962752), (4064, 61814920), (4904, 51226720), (5042, 49824640), (5080, 49451936), (6130, 40981376), (8128, 30907460), (9808, 25613360), (10084, 24912320), (10160, 24725968), (12260, 20490688), (12605, 19929856), (16256, 15453730), (19616, 12806680), (20168, 12456160), (20320, 12362984), (24520, 10245344), (25210, 9964928), (32512, 7726865), (39232, 6403340), (40336, 6228080), (40640, 6181492), (49040, 5122672), (50420, 4982464), (77851, 3226880), (78464, 3201670), (80672, 3114040), (81280, 3090746), (98080, 2561336), (100840, 2491232), (155702, 1613440), (156928, 1600835), (161344, 1557020), (162560, 1545373), (196160, 1280668), (201680, 1245616), (311404, 806720), (320167, 784640), (322688, 778510), (389255, 645376), (392320, 640334), (403360, 622808)]