15783560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 22923640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 239, 254, 260, 478, 508, 520, 635, 956, 1016, 1195, 1270, 1651, 1912, 2390, 2540, 3107, 3302, 4780, 5080, 6214, 6604, 8255, 9560, 12428, 13208, 15535, 16510, 24856, 30353, 31070, 33020, 60706, 62140, 66040, 121412, 124280, 151765, 242824, 303530, 394589, 607060, 789178, 1214120, 1578356, 1972945, 3156712, 3945890, 7891780, 15783560]

約数ペア:

[(1, 15783560), (2, 7891780), (4, 3945890), (5, 3156712), (8, 1972945), (10, 1578356), (13, 1214120), (20, 789178), (26, 607060), (40, 394589), (52, 303530), (65, 242824), (104, 151765), (127, 124280), (130, 121412), (239, 66040), (254, 62140), (260, 60706), (478, 33020), (508, 31070), (520, 30353), (635, 24856), (956, 16510), (1016, 15535), (1195, 13208), (1270, 12428), (1651, 9560), (1912, 8255), (2390, 6604), (2540, 6214), (3107, 5080), (3302, 4780)]