8123160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 24595200

約数和(自身を除く): 16472040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 487, 556, 695, 834, 974, 1112, 1390, 1461, 1668, 1948, 2085, 2435, 2780, 2922, 3336, 3896, 4170, 4870, 5560, 5844, 7305, 8340, 9740, 11688, 14610, 16680, 19480, 29220, 58440, 67693, 135386, 203079, 270772, 338465, 406158, 541544, 676930, 812316, 1015395, 1353860, 1624632, 2030790, 2707720, 4061580, 8123160]

約数ペア:

[(1, 8123160), (2, 4061580), (3, 2707720), (4, 2030790), (5, 1624632), (6, 1353860), (8, 1015395), (10, 812316), (12, 676930), (15, 541544), (20, 406158), (24, 338465), (30, 270772), (40, 203079), (60, 135386), (120, 67693), (139, 58440), (278, 29220), (417, 19480), (487, 16680), (556, 14610), (695, 11688), (834, 9740), (974, 8340), (1112, 7305), (1390, 5844), (1461, 5560), (1668, 4870), (1948, 4170), (2085, 3896), (2435, 3336), (2780, 2922)]