61157140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1553}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 140978880

約数和(自身を除く): 79821740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1553, 1790, 1969, 3106, 3580, 3938, 6212, 7765, 7876, 9845, 15530, 17083, 19690, 31060, 34166, 39380, 68332, 85415, 170830, 277987, 341660, 555974, 1111948, 1389935, 2779870, 3057857, 5559740, 6115714, 12231428, 15289285, 30578570, 61157140]

約数ペア:

[(1, 61157140), (2, 30578570), (4, 15289285), (5, 12231428), (10, 6115714), (11, 5559740), (20, 3057857), (22, 2779870), (44, 1389935), (55, 1111948), (110, 555974), (179, 341660), (220, 277987), (358, 170830), (716, 85415), (895, 68332), (1553, 39380), (1790, 34166), (1969, 31060), (3106, 19690), (3580, 17083), (3938, 15530), (6212, 9845), (7765, 7876)]