1560989840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1\times {\mathrm{1171}}^1$

素因数の和:2080

約数の個数: 80

約数和(自身を含む): 3827939520

約数和(自身を除く): 2266949680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 877, 1171, 1520, 1754, 2342, 3508, 4385, 4684, 5855, 7016, 8770, 9368, 11710, 14032, 16663, 17540, 18736, 22249, 23420, 33326, 35080, 44498, 46840, 66652, 70160, 83315, 88996, 93680, 111245, 133304, 166630, 177992, 222490, 266608, 333260, 355984, 444980, 666520, 889960, 1026967, 1333040, 1779920, 2053934, 4107868, 5134835, 8215736, 10269670, 16431472, 19512373, 20539340, 39024746, 41078680, 78049492, 82157360, 97561865, 156098984, 195123730, 312197968, 390247460, 780494920, 1560989840]

約数ペア:

[(1, 1560989840), (2, 780494920), (4, 390247460), (5, 312197968), (8, 195123730), (10, 156098984), (16, 97561865), (19, 82157360), (20, 78049492), (38, 41078680), (40, 39024746), (76, 20539340), (80, 19512373), (95, 16431472), (152, 10269670), (190, 8215736), (304, 5134835), (380, 4107868), (760, 2053934), (877, 1779920), (1171, 1333040), (1520, 1026967), (1754, 889960), (2342, 666520), (3508, 444980), (4385, 355984), (4684, 333260), (5855, 266608), (7016, 222490), (8770, 177992), (9368, 166630), (11710, 133304), (14032, 111245), (16663, 93680), (17540, 88996), (18736, 83315), (22249, 70160), (23420, 66652), (33326, 46840), (35080, 44498)]