64576180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1777}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 143377920

約数和(自身を除く): 78801740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1777, 1817, 3554, 3634, 7108, 7268, 8885, 9085, 17770, 18170, 35540, 36340, 40871, 81742, 140383, 163484, 204355, 280766, 408710, 561532, 701915, 817420, 1403830, 2807660, 3228809, 6457618, 12915236, 16144045, 32288090, 64576180]

約数ペア:

[(1, 64576180), (2, 32288090), (4, 16144045), (5, 12915236), (10, 6457618), (20, 3228809), (23, 2807660), (46, 1403830), (79, 817420), (92, 701915), (115, 561532), (158, 408710), (230, 280766), (316, 204355), (395, 163484), (460, 140383), (790, 81742), (1580, 40871), (1777, 36340), (1817, 35540), (3554, 18170), (3634, 17770), (7108, 9085), (7268, 8885)]