56819560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 146805120

約数和(自身を除く): 89985560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 661, 1228, 1322, 1535, 2149, 2456, 2644, 3070, 3305, 4298, 4627, 5288, 6140, 6610, 8596, 9254, 10745, 12280, 13220, 17192, 18508, 21490, 23135, 26440, 37016, 42980, 46270, 85960, 92540, 185080, 202927, 405854, 811708, 1014635, 1420489, 1623416, 2029270, 2840978, 4058540, 5681956, 7102445, 8117080, 11363912, 14204890, 28409780, 56819560]

約数ペア:

[(1, 56819560), (2, 28409780), (4, 14204890), (5, 11363912), (7, 8117080), (8, 7102445), (10, 5681956), (14, 4058540), (20, 2840978), (28, 2029270), (35, 1623416), (40, 1420489), (56, 1014635), (70, 811708), (140, 405854), (280, 202927), (307, 185080), (614, 92540), (661, 85960), (1228, 46270), (1322, 42980), (1535, 37016), (2149, 26440), (2456, 23135), (2644, 21490), (3070, 18508), (3305, 17192), (4298, 13220), (4627, 12280), (5288, 10745), (6140, 9254), (6610, 8596)]