15311920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14723}}^1$

素因数の和:14749

約数の個数: 40

約数和(自身を含む): 38341296

約数和(自身を除く): 23029376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 14723, 29446, 58892, 73615, 117784, 147230, 191399, 235568, 294460, 382798, 588920, 765596, 956995, 1177840, 1531192, 1913990, 3062384, 3827980, 7655960, 15311920]

約数ペア:

[(1, 15311920), (2, 7655960), (4, 3827980), (5, 3062384), (8, 1913990), (10, 1531192), (13, 1177840), (16, 956995), (20, 765596), (26, 588920), (40, 382798), (52, 294460), (65, 235568), (80, 191399), (104, 147230), (130, 117784), (208, 73615), (260, 58892), (520, 29446), (1040, 14723)]