1810120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 4461660

約数和(自身を除く): 2651540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 1180, 1534, 2360, 3068, 3481, 3835, 6136, 6962, 7670, 13924, 15340, 17405, 27848, 30680, 34810, 45253, 69620, 90506, 139240, 181012, 226265, 362024, 452530, 905060, 1810120]

約数ペア:

[(1, 1810120), (2, 905060), (4, 452530), (5, 362024), (8, 226265), (10, 181012), (13, 139240), (20, 90506), (26, 69620), (40, 45253), (52, 34810), (59, 30680), (65, 27848), (104, 17405), (118, 15340), (130, 13924), (236, 7670), (260, 6962), (295, 6136), (472, 3835), (520, 3481), (590, 3068), (767, 2360), (1180, 1534)]