40878642840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{68639}}^1$

素因数の和:69369

約数の個数: 128

約数和(自身を含む): 140355072000

約数和(自身を除く): 99476429160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 709, 840, 1418, 2127, 2836, 3545, 4254, 4963, 5672, 7090, 8508, 9926, 10635, 14180, 14889, 17016, 19852, 21270, 24815, 28360, 29778, 39704, 42540, 49630, 59556, 68639, 74445, 85080, 99260, 119112, 137278, 148890, 198520, 205917, 274556, 297780, 343195, 411834, 480473, 549112, 595560, 686390, 823668, 960946, 1029585, 1372780, 1441419, 1647336, 1921892, 2059170, 2402365, 2745560, 2882838, 3843784, 4118340, 4804730, 5765676, 7207095, 8236680, 9609460, 11531352, 14414190, 19218920, 28828380, 48665051, 57656760, 97330102, 145995153, 194660204, 243325255, 291990306, 340655357, 389320408, 486650510, 583980612, 681310714, 729975765, 973301020, 1021966071, 1167961224, 1362621428, 1459951530, 1703276785, 1946602040, 2043932142, 2725242856, 2919903060, 3406553570, 4087864284, 5109830355, 5839806120, 6813107140, 8175728568, 10219660710, 13626214280, 20439321420, 40878642840]

約数ペア:

[(1, 40878642840), (2, 20439321420), (3, 13626214280), (4, 10219660710), (5, 8175728568), (6, 6813107140), (7, 5839806120), (8, 5109830355), (10, 4087864284), (12, 3406553570), (14, 2919903060), (15, 2725242856), (20, 2043932142), (21, 1946602040), (24, 1703276785), (28, 1459951530), (30, 1362621428), (35, 1167961224), (40, 1021966071), (42, 973301020), (56, 729975765), (60, 681310714), (70, 583980612), (84, 486650510), (105, 389320408), (120, 340655357), (140, 291990306), (168, 243325255), (210, 194660204), (280, 145995153), (420, 97330102), (709, 57656760), (840, 48665051), (1418, 28828380), (2127, 19218920), (2836, 14414190), (3545, 11531352), (4254, 9609460), (4963, 8236680), (5672, 7207095), (7090, 5765676), (8508, 4804730), (9926, 4118340), (10635, 3843784), (14180, 2882838), (14889, 2745560), (17016, 2402365), (19852, 2059170), (21270, 1921892), (24815, 1647336), (28360, 1441419), (29778, 1372780), (39704, 1029585), (42540, 960946), (49630, 823668), (59556, 686390), (68639, 595560), (74445, 549112), (85080, 480473), (99260, 411834), (119112, 343195), (137278, 297780), (148890, 274556), (198520, 205917)]