265720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:104

約数の個数: 64

約数和(自身を含む): 745920

約数和(自身を除く): 480200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 728, 730, 910, 949, 1022, 1460, 1820, 1898, 2044, 2555, 2920, 3640, 3796, 4088, 4745, 5110, 6643, 7592, 9490, 10220, 13286, 18980, 20440, 26572, 33215, 37960, 53144, 66430, 132860, 265720]

約数ペア:

[(1, 265720), (2, 132860), (4, 66430), (5, 53144), (7, 37960), (8, 33215), (10, 26572), (13, 20440), (14, 18980), (20, 13286), (26, 10220), (28, 9490), (35, 7592), (40, 6643), (52, 5110), (56, 4745), (65, 4088), (70, 3796), (73, 3640), (91, 2920), (104, 2555), (130, 2044), (140, 1898), (146, 1820), (182, 1460), (260, 1022), (280, 949), (292, 910), (364, 730), (365, 728), (455, 584), (511, 520)]