15200740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 33126912

約数和(自身を除く): 17926172

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 103, 157, 188, 206, 235, 314, 412, 470, 515, 628, 785, 940, 1030, 1570, 2060, 3140, 4841, 7379, 9682, 14758, 16171, 19364, 24205, 29516, 32342, 36895, 48410, 64684, 73790, 80855, 96820, 147580, 161710, 323420, 760037, 1520074, 3040148, 3800185, 7600370, 15200740]

約数ペア:

[(1, 15200740), (2, 7600370), (4, 3800185), (5, 3040148), (10, 1520074), (20, 760037), (47, 323420), (94, 161710), (103, 147580), (157, 96820), (188, 80855), (206, 73790), (235, 64684), (314, 48410), (412, 36895), (470, 32342), (515, 29516), (628, 24205), (785, 19364), (940, 16171), (1030, 14758), (1570, 9682), (2060, 7379), (3140, 4841)]