15495740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 35435232

約数和(自身を除く): 19939492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 557, 1070, 1114, 1391, 2140, 2228, 2782, 2785, 5564, 5570, 6955, 7241, 11140, 13910, 14482, 27820, 28964, 36205, 59599, 72410, 119198, 144820, 238396, 297995, 595990, 774787, 1191980, 1549574, 3099148, 3873935, 7747870, 15495740]

約数ペア:

[(1, 15495740), (2, 7747870), (4, 3873935), (5, 3099148), (10, 1549574), (13, 1191980), (20, 774787), (26, 595990), (52, 297995), (65, 238396), (107, 144820), (130, 119198), (214, 72410), (260, 59599), (428, 36205), (535, 28964), (557, 27820), (1070, 14482), (1114, 13910), (1391, 11140), (2140, 7241), (2228, 6955), (2782, 5570), (2785, 5564)]