81117648

素因数分解:

$2^4\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1307}}^1$

素因数の和:1752

約数の個数: 60

約数和(自身を含む): 227717568

約数和(自身を除く): 146599920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 431, 862, 1293, 1307, 1724, 2586, 2614, 3448, 3879, 3921, 5172, 5228, 6896, 7758, 7842, 10344, 10456, 11763, 15516, 15684, 20688, 20912, 23526, 31032, 31368, 47052, 62064, 62736, 94104, 188208, 563317, 1126634, 1689951, 2253268, 3379902, 4506536, 5069853, 6759804, 9013072, 10139706, 13519608, 20279412, 27039216, 40558824, 81117648]

約数ペア:

[(1, 81117648), (2, 40558824), (3, 27039216), (4, 20279412), (6, 13519608), (8, 10139706), (9, 9013072), (12, 6759804), (16, 5069853), (18, 4506536), (24, 3379902), (36, 2253268), (48, 1689951), (72, 1126634), (144, 563317), (431, 188208), (862, 94104), (1293, 62736), (1307, 62064), (1724, 47052), (2586, 31368), (2614, 31032), (3448, 23526), (3879, 20912), (3921, 20688), (5172, 15684), (5228, 15516), (6896, 11763), (7758, 10456), (7842, 10344)]