15487640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55313}}^1$

素因数の和:55331

約数の個数: 32

約数和(自身を含む): 39826080

約数和(自身を除く): 24338440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55313, 110626, 221252, 276565, 387191, 442504, 553130, 774382, 1106260, 1548764, 1935955, 2212520, 3097528, 3871910, 7743820, 15487640]

約数ペア:

[(1, 15487640), (2, 7743820), (4, 3871910), (5, 3097528), (7, 2212520), (8, 1935955), (10, 1548764), (14, 1106260), (20, 774382), (28, 553130), (35, 442504), (40, 387191), (56, 276565), (70, 221252), (140, 110626), (280, 55313)]