61998440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1237}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 160444800

約数和(自身を除く): 98446360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1237, 1253, 1432, 1790, 2474, 2506, 3580, 4948, 5012, 6185, 6265, 7160, 8659, 9896, 10024, 12370, 12530, 17318, 24740, 25060, 34636, 43295, 49480, 50120, 69272, 86590, 173180, 221423, 346360, 442846, 885692, 1107115, 1549961, 1771384, 2214230, 3099922, 4428460, 6199844, 7749805, 8856920, 12399688, 15499610, 30999220, 61998440]

約数ペア:

[(1, 61998440), (2, 30999220), (4, 15499610), (5, 12399688), (7, 8856920), (8, 7749805), (10, 6199844), (14, 4428460), (20, 3099922), (28, 2214230), (35, 1771384), (40, 1549961), (56, 1107115), (70, 885692), (140, 442846), (179, 346360), (280, 221423), (358, 173180), (716, 86590), (895, 69272), (1237, 50120), (1253, 49480), (1432, 43295), (1790, 34636), (2474, 25060), (2506, 24740), (3580, 17318), (4948, 12530), (5012, 12370), (6185, 10024), (6265, 9896), (7160, 8659)]