30737960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69859}}^1$

素因数の和:69881

約数の個数: 32

約数和(自身を含む): 75448800

約数和(自身を除く): 44710840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 69859, 139718, 279436, 349295, 558872, 698590, 768449, 1397180, 1536898, 2794360, 3073796, 3842245, 6147592, 7684490, 15368980, 30737960]

約数ペア:

[(1, 30737960), (2, 15368980), (4, 7684490), (5, 6147592), (8, 3842245), (10, 3073796), (11, 2794360), (20, 1536898), (22, 1397180), (40, 768449), (44, 698590), (55, 558872), (88, 349295), (110, 279436), (220, 139718), (440, 69859)]