15340780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8429}}^1$

素因数の和:8458

約数の個数: 48

約数和(自身を含む): 39654720

約数和(自身を除く): 24313940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8429, 16858, 33716, 42145, 59003, 84290, 109577, 118006, 168580, 219154, 236012, 295015, 438308, 547885, 590030, 767039, 1095770, 1180060, 1534078, 2191540, 3068156, 3835195, 7670390, 15340780]

約数ペア:

[(1, 15340780), (2, 7670390), (4, 3835195), (5, 3068156), (7, 2191540), (10, 1534078), (13, 1180060), (14, 1095770), (20, 767039), (26, 590030), (28, 547885), (35, 438308), (52, 295015), (65, 236012), (70, 219154), (91, 168580), (130, 118006), (140, 109577), (182, 84290), (260, 59003), (364, 42145), (455, 33716), (910, 16858), (1820, 8429)]