2239640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 5594400

約数和(自身を除く): 3354760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 73, 104, 118, 130, 146, 236, 260, 292, 295, 365, 472, 520, 584, 590, 730, 767, 949, 1180, 1460, 1534, 1898, 2360, 2920, 3068, 3796, 3835, 4307, 4745, 6136, 7592, 7670, 8614, 9490, 15340, 17228, 18980, 21535, 30680, 34456, 37960, 43070, 55991, 86140, 111982, 172280, 223964, 279955, 447928, 559910, 1119820, 2239640]

約数ペア:

[(1, 2239640), (2, 1119820), (4, 559910), (5, 447928), (8, 279955), (10, 223964), (13, 172280), (20, 111982), (26, 86140), (40, 55991), (52, 43070), (59, 37960), (65, 34456), (73, 30680), (104, 21535), (118, 18980), (130, 17228), (146, 15340), (236, 9490), (260, 8614), (292, 7670), (295, 7592), (365, 6136), (472, 4745), (520, 4307), (584, 3835), (590, 3796), (730, 3068), (767, 2920), (949, 2360), (1180, 1898), (1460, 1534)]