531440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 1541568

約数和(自身を除く): 1010128

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 80, 91, 104, 112, 130, 140, 146, 182, 208, 260, 280, 292, 364, 365, 455, 511, 520, 560, 584, 728, 730, 910, 949, 1022, 1040, 1168, 1456, 1460, 1820, 1898, 2044, 2555, 2920, 3640, 3796, 4088, 4745, 5110, 5840, 6643, 7280, 7592, 8176, 9490, 10220, 13286, 15184, 18980, 20440, 26572, 33215, 37960, 40880, 53144, 66430, 75920, 106288, 132860, 265720, 531440]

約数ペア:

[(1, 531440), (2, 265720), (4, 132860), (5, 106288), (7, 75920), (8, 66430), (10, 53144), (13, 40880), (14, 37960), (16, 33215), (20, 26572), (26, 20440), (28, 18980), (35, 15184), (40, 13286), (52, 10220), (56, 9490), (65, 8176), (70, 7592), (73, 7280), (80, 6643), (91, 5840), (104, 5110), (112, 4745), (130, 4088), (140, 3796), (146, 3640), (182, 2920), (208, 2555), (260, 2044), (280, 1898), (292, 1820), (364, 1460), (365, 1456), (455, 1168), (511, 1040), (520, 1022), (560, 949), (584, 910), (728, 730)]