679980560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{1579}}^1$

素因数の和:2368

約数の個数: 80

約数和(自身を含む): 1810300800

約数和(自身を除く): 1130320240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 769, 1538, 1579, 3076, 3158, 3845, 5383, 6152, 6316, 7690, 7895, 10766, 11053, 12304, 12632, 15380, 15790, 21532, 22106, 25264, 26915, 30760, 31580, 43064, 44212, 53830, 55265, 61520, 63160, 86128, 88424, 107660, 110530, 126320, 176848, 215320, 221060, 430640, 442120, 884240, 1214251, 2428502, 4857004, 6071255, 8499757, 9714008, 12142510, 16999514, 19428016, 24285020, 33999028, 42498785, 48570040, 67998056, 84997570, 97140080, 135996112, 169995140, 339990280, 679980560]

約数ペア:

[(1, 679980560), (2, 339990280), (4, 169995140), (5, 135996112), (7, 97140080), (8, 84997570), (10, 67998056), (14, 48570040), (16, 42498785), (20, 33999028), (28, 24285020), (35, 19428016), (40, 16999514), (56, 12142510), (70, 9714008), (80, 8499757), (112, 6071255), (140, 4857004), (280, 2428502), (560, 1214251), (769, 884240), (1538, 442120), (1579, 430640), (3076, 221060), (3158, 215320), (3845, 176848), (5383, 126320), (6152, 110530), (6316, 107660), (7690, 88424), (7895, 86128), (10766, 63160), (11053, 61520), (12304, 55265), (12632, 53830), (15380, 44212), (15790, 43064), (21532, 31580), (22106, 30760), (25264, 26915)]