15021520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1823}}^1$

素因数の和:1939

約数の個数: 40

約数和(自身を含む): 35283456

約数和(自身を除く): 20261936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 1823, 2060, 3646, 4120, 7292, 8240, 9115, 14584, 18230, 29168, 36460, 72920, 145840, 187769, 375538, 751076, 938845, 1502152, 1877690, 3004304, 3755380, 7510760, 15021520]

約数ペア:

[(1, 15021520), (2, 7510760), (4, 3755380), (5, 3004304), (8, 1877690), (10, 1502152), (16, 938845), (20, 751076), (40, 375538), (80, 187769), (103, 145840), (206, 72920), (412, 36460), (515, 29168), (824, 18230), (1030, 14584), (1648, 9115), (1823, 8240), (2060, 7292), (3646, 4120)]