56456680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1237}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 146183040

約数和(自身を除く): 89726360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1237, 1304, 1630, 2282, 2474, 3260, 4564, 4948, 5705, 6185, 6520, 8659, 9128, 9896, 11410, 12370, 17318, 22820, 24740, 34636, 43295, 45640, 49480, 69272, 86590, 173180, 201631, 346360, 403262, 806524, 1008155, 1411417, 1613048, 2016310, 2822834, 4032620, 5645668, 7057085, 8065240, 11291336, 14114170, 28228340, 56456680]

約数ペア:

[(1, 56456680), (2, 28228340), (4, 14114170), (5, 11291336), (7, 8065240), (8, 7057085), (10, 5645668), (14, 4032620), (20, 2822834), (28, 2016310), (35, 1613048), (40, 1411417), (56, 1008155), (70, 806524), (140, 403262), (163, 346360), (280, 201631), (326, 173180), (652, 86590), (815, 69272), (1141, 49480), (1237, 45640), (1304, 43295), (1630, 34636), (2282, 24740), (2474, 22820), (3260, 17318), (4564, 12370), (4948, 11410), (5705, 9896), (6185, 9128), (6520, 8659)]