60640840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 147818160

約数和(自身を除く): 87177320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 421, 520, 554, 842, 1108, 1385, 1684, 2105, 2216, 2770, 3368, 3601, 4210, 5473, 5540, 7202, 8420, 10946, 11080, 14404, 16840, 18005, 21892, 27365, 28808, 36010, 43784, 54730, 72020, 109460, 116617, 144040, 218920, 233234, 466468, 583085, 932936, 1166170, 1516021, 2332340, 3032042, 4664680, 6064084, 7580105, 12128168, 15160210, 30320420, 60640840]

約数ペア:

[(1, 60640840), (2, 30320420), (4, 15160210), (5, 12128168), (8, 7580105), (10, 6064084), (13, 4664680), (20, 3032042), (26, 2332340), (40, 1516021), (52, 1166170), (65, 932936), (104, 583085), (130, 466468), (260, 233234), (277, 218920), (421, 144040), (520, 116617), (554, 109460), (842, 72020), (1108, 54730), (1385, 43784), (1684, 36010), (2105, 28808), (2216, 27365), (2770, 21892), (3368, 18005), (3601, 16840), (4210, 14404), (5473, 11080), (5540, 10946), (7202, 8420)]