30320420

素因数分解:

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

素因数の和:720

約数の個数: 48

約数和(自身を含む): 68981808

約数和(自身を除く): 38661388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 421, 554, 842, 1108, 1385, 1684, 2105, 2770, 3601, 4210, 5473, 5540, 7202, 8420, 10946, 14404, 18005, 21892, 27365, 36010, 54730, 72020, 109460, 116617, 233234, 466468, 583085, 1166170, 1516021, 2332340, 3032042, 6064084, 7580105, 15160210, 30320420]

約数ペア:

[(1, 30320420), (2, 15160210), (4, 7580105), (5, 6064084), (10, 3032042), (13, 2332340), (20, 1516021), (26, 1166170), (52, 583085), (65, 466468), (130, 233234), (260, 116617), (277, 109460), (421, 72020), (554, 54730), (842, 36010), (1108, 27365), (1385, 21892), (1684, 18005), (2105, 14404), (2770, 10946), (3601, 8420), (4210, 7202), (5473, 5540)]