61317560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80681}}^1$

素因数の和:80711

約数の個数: 32

約数和(自身を含む): 145227600

約数和(自身を除く): 83910040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 80681, 161362, 322724, 403405, 645448, 806810, 1532939, 1613620, 3065878, 3227240, 6131756, 7664695, 12263512, 15329390, 30658780, 61317560]

約数ペア:

[(1, 61317560), (2, 30658780), (4, 15329390), (5, 12263512), (8, 7664695), (10, 6131756), (19, 3227240), (20, 3065878), (38, 1613620), (40, 1532939), (76, 806810), (95, 645448), (152, 403405), (190, 322724), (380, 161362), (760, 80681)]