15704992720

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1\times {\mathrm{2237}}^1$

素因数の和:3068

約数の個数: 80

約数和(自身を含む): 36871354368

約数和(自身を除く): 21166361648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 691, 1016, 1270, 1382, 2032, 2237, 2540, 2764, 3455, 4474, 5080, 5528, 6910, 8948, 10160, 11056, 11185, 13820, 17896, 22370, 27640, 35792, 44740, 55280, 87757, 89480, 175514, 178960, 284099, 351028, 438785, 568198, 702056, 877570, 1136396, 1404112, 1420495, 1545767, 1755140, 2272792, 2840990, 3091534, 3510280, 4545584, 5681980, 6183068, 7020560, 7728835, 11363960, 12366136, 15457670, 22727920, 24732272, 30915340, 61830680, 123661360, 196312409, 392624818, 785249636, 981562045, 1570499272, 1963124090, 3140998544, 3926248180, 7852496360, 15704992720]

約数ペア:

[(1, 15704992720), (2, 7852496360), (4, 3926248180), (5, 3140998544), (8, 1963124090), (10, 1570499272), (16, 981562045), (20, 785249636), (40, 392624818), (80, 196312409), (127, 123661360), (254, 61830680), (508, 30915340), (635, 24732272), (691, 22727920), (1016, 15457670), (1270, 12366136), (1382, 11363960), (2032, 7728835), (2237, 7020560), (2540, 6183068), (2764, 5681980), (3455, 4545584), (4474, 3510280), (5080, 3091534), (5528, 2840990), (6910, 2272792), (8948, 1755140), (10160, 1545767), (11056, 1420495), (11185, 1404112), (13820, 1136396), (17896, 877570), (22370, 702056), (27640, 568198), (35792, 438785), (44740, 351028), (55280, 284099), (87757, 178960), (89480, 175514)]