15528920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 39463200

約数和(自身を除く): 23934280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1217, 1276, 1595, 2434, 2552, 3190, 4868, 6085, 6380, 9736, 12170, 12760, 13387, 24340, 26774, 35293, 48680, 53548, 66935, 70586, 107096, 133870, 141172, 176465, 267740, 282344, 352930, 388223, 535480, 705860, 776446, 1411720, 1552892, 1941115, 3105784, 3882230, 7764460, 15528920]

約数ペア:

[(1, 15528920), (2, 7764460), (4, 3882230), (5, 3105784), (8, 1941115), (10, 1552892), (11, 1411720), (20, 776446), (22, 705860), (29, 535480), (40, 388223), (44, 352930), (55, 282344), (58, 267740), (88, 176465), (110, 141172), (116, 133870), (145, 107096), (220, 70586), (232, 66935), (290, 53548), (319, 48680), (440, 35293), (580, 26774), (638, 24340), (1160, 13387), (1217, 12760), (1276, 12170), (1595, 9736), (2434, 6380), (2552, 6085), (3190, 4868)]