917275120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21757}}^1$

素因数の和:21818

約数の個数: 80

約数和(自身を含む): 2331065088

約数和(自身を除く): 1413789968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21080, 21757, 42160, 43514, 87028, 108785, 174056, 217570, 348112, 369869, 435140, 674467, 739738, 870280, 1348934, 1479476, 1740560, 1849345, 2697868, 2958952, 3372335, 3698690, 5395736, 5917904, 6744670, 7397380, 10791472, 11465939, 13489340, 14794760, 22931878, 26978680, 29589520, 45863756, 53957360, 57329695, 91727512, 114659390, 183455024, 229318780, 458637560, 917275120]

約数ペア:

[(1, 917275120), (2, 458637560), (4, 229318780), (5, 183455024), (8, 114659390), (10, 91727512), (16, 57329695), (17, 53957360), (20, 45863756), (31, 29589520), (34, 26978680), (40, 22931878), (62, 14794760), (68, 13489340), (80, 11465939), (85, 10791472), (124, 7397380), (136, 6744670), (155, 5917904), (170, 5395736), (248, 3698690), (272, 3372335), (310, 2958952), (340, 2697868), (496, 1849345), (527, 1740560), (620, 1479476), (680, 1348934), (1054, 870280), (1240, 739738), (1360, 674467), (2108, 435140), (2480, 369869), (2635, 348112), (4216, 217570), (5270, 174056), (8432, 108785), (10540, 87028), (21080, 43514), (21757, 42160)]