63640360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1361}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 164747520

約数和(自身を除く): 101107160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1361, 1670, 2338, 2722, 3340, 4676, 5444, 5845, 6680, 6805, 9352, 9527, 10888, 11690, 13610, 19054, 23380, 27220, 38108, 46760, 47635, 54440, 76216, 95270, 190540, 227287, 381080, 454574, 909148, 1136435, 1591009, 1818296, 2272870, 3182018, 4545740, 6364036, 7955045, 9091480, 12728072, 15910090, 31820180, 63640360]

約数ペア:

[(1, 63640360), (2, 31820180), (4, 15910090), (5, 12728072), (7, 9091480), (8, 7955045), (10, 6364036), (14, 4545740), (20, 3182018), (28, 2272870), (35, 1818296), (40, 1591009), (56, 1136435), (70, 909148), (140, 454574), (167, 381080), (280, 227287), (334, 190540), (668, 95270), (835, 76216), (1169, 54440), (1336, 47635), (1361, 46760), (1670, 38108), (2338, 27220), (2722, 23380), (3340, 19054), (4676, 13610), (5444, 11690), (5845, 10888), (6680, 9527), (6805, 9352)]