28475220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2459}}^1$

素因数の和:2664

約数の個数: 48

約数和(自身を含む): 80176320

約数和(自身を除く): 51701100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 772, 965, 1158, 1930, 2316, 2459, 2895, 3860, 4918, 5790, 7377, 9836, 11580, 12295, 14754, 24590, 29508, 36885, 49180, 73770, 147540, 474587, 949174, 1423761, 1898348, 2372935, 2847522, 4745870, 5695044, 7118805, 9491740, 14237610, 28475220]

約数ペア:

[(1, 28475220), (2, 14237610), (3, 9491740), (4, 7118805), (5, 5695044), (6, 4745870), (10, 2847522), (12, 2372935), (15, 1898348), (20, 1423761), (30, 949174), (60, 474587), (193, 147540), (386, 73770), (579, 49180), (772, 36885), (965, 29508), (1158, 24590), (1930, 14754), (2316, 12295), (2459, 11580), (2895, 9836), (3860, 7377), (4918, 5790)]