56521980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1627}}^1$

素因数の和:1835

約数の個数: 72

約数和(自身を含む): 172444272

約数和(自身を除く): 115922292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1627, 1737, 1930, 2316, 2895, 3254, 3474, 3860, 4881, 5790, 6508, 6948, 8135, 8685, 9762, 11580, 14643, 16270, 17370, 19524, 24405, 29286, 32540, 34740, 48810, 58572, 73215, 97620, 146430, 292860, 314011, 628022, 942033, 1256044, 1570055, 1884066, 2826099, 3140110, 3768132, 4710165, 5652198, 6280220, 9420330, 11304396, 14130495, 18840660, 28260990, 56521980]

約数ペア:

[(1, 56521980), (2, 28260990), (3, 18840660), (4, 14130495), (5, 11304396), (6, 9420330), (9, 6280220), (10, 5652198), (12, 4710165), (15, 3768132), (18, 3140110), (20, 2826099), (30, 1884066), (36, 1570055), (45, 1256044), (60, 942033), (90, 628022), (180, 314011), (193, 292860), (386, 146430), (579, 97620), (772, 73215), (965, 58572), (1158, 48810), (1627, 34740), (1737, 32540), (1930, 29286), (2316, 24405), (2895, 19524), (3254, 17370), (3474, 16270), (3860, 14643), (4881, 11580), (5790, 9762), (6508, 8685), (6948, 8135)]