61697720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1231}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 97969480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1231, 1253, 1432, 1790, 2462, 2506, 3580, 4924, 5012, 6155, 6265, 7160, 8617, 9848, 10024, 12310, 12530, 17234, 24620, 25060, 34468, 43085, 49240, 50120, 68936, 86170, 172340, 220349, 344680, 440698, 881396, 1101745, 1542443, 1762792, 2203490, 3084886, 4406980, 6169772, 7712215, 8813960, 12339544, 15424430, 30848860, 61697720]

約数ペア:

[(1, 61697720), (2, 30848860), (4, 15424430), (5, 12339544), (7, 8813960), (8, 7712215), (10, 6169772), (14, 4406980), (20, 3084886), (28, 2203490), (35, 1762792), (40, 1542443), (56, 1101745), (70, 881396), (140, 440698), (179, 344680), (280, 220349), (358, 172340), (716, 86170), (895, 68936), (1231, 50120), (1253, 49240), (1432, 43085), (1790, 34468), (2462, 25060), (2506, 24620), (3580, 17234), (4924, 12530), (5012, 12310), (6155, 10024), (6265, 9848), (7160, 8617)]