15678320185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 21716398080

約数和(自身を除く): 6038077895

約数列:

[1, 5, 11, 23, 55, 115, 151, 211, 253, 389, 755, 1055, 1265, 1661, 1945, 2321, 3473, 4279, 4853, 8305, 8947, 11605, 17365, 21395, 24265, 31861, 38203, 44735, 53383, 58739, 82079, 98417, 159305, 191015, 266915, 293695, 350471, 410395, 492085, 646129, 732803, 902869, 1350997, 1752355, 1887817, 3230645, 3664015, 4514345, 6754985, 8060833, 9439085, 12393929, 14860967, 20765987, 40304165, 61969645, 74304835, 103829935, 136333219, 285060367, 681666095, 1425301835, 3135664037, 15678320185]

約数ペア:

[(1, 15678320185), (5, 3135664037), (11, 1425301835), (23, 681666095), (55, 285060367), (115, 136333219), (151, 103829935), (211, 74304835), (253, 61969645), (389, 40304165), (755, 20765987), (1055, 14860967), (1265, 12393929), (1661, 9439085), (1945, 8060833), (2321, 6754985), (3473, 4514345), (4279, 3664015), (4853, 3230645), (8305, 1887817), (8947, 1752355), (11605, 1350997), (17365, 902869), (21395, 732803), (24265, 646129), (31861, 492085), (38203, 410395), (44735, 350471), (53383, 293695), (58739, 266915), (82079, 191015), (98417, 159305)]