15155420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1051}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 36761088

約数和(自身を除く): 21605668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1051, 1442, 2060, 2102, 2884, 3605, 4204, 5255, 7210, 7357, 10510, 14420, 14714, 21020, 29428, 36785, 73570, 108253, 147140, 216506, 433012, 541265, 757771, 1082530, 1515542, 2165060, 3031084, 3788855, 7577710, 15155420]

約数ペア:

[(1, 15155420), (2, 7577710), (4, 3788855), (5, 3031084), (7, 2165060), (10, 1515542), (14, 1082530), (20, 757771), (28, 541265), (35, 433012), (70, 216506), (103, 147140), (140, 108253), (206, 73570), (412, 36785), (515, 29428), (721, 21020), (1030, 14714), (1051, 14420), (1442, 10510), (2060, 7357), (2102, 7210), (2884, 5255), (3605, 4204)]