660199760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{44131}}^1$

素因数の和:44172

約数の個数: 80

約数和(自身を含む): 1773047232

約数和(自身を除く): 1112847472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 44131, 88262, 176524, 220655, 353048, 441310, 485441, 706096, 750227, 882620, 970882, 1500454, 1765240, 1941764, 2427205, 3000908, 3530480, 3751135, 3883528, 4854410, 6001816, 7502270, 7767056, 8252497, 9708820, 12003632, 15004540, 16504994, 19417640, 30009080, 33009988, 38835280, 41262485, 60018160, 66019976, 82524970, 132039952, 165049940, 330099880, 660199760]

約数ペア:

[(1, 660199760), (2, 330099880), (4, 165049940), (5, 132039952), (8, 82524970), (10, 66019976), (11, 60018160), (16, 41262485), (17, 38835280), (20, 33009988), (22, 30009080), (34, 19417640), (40, 16504994), (44, 15004540), (55, 12003632), (68, 9708820), (80, 8252497), (85, 7767056), (88, 7502270), (110, 6001816), (136, 4854410), (170, 3883528), (176, 3751135), (187, 3530480), (220, 3000908), (272, 2427205), (340, 1941764), (374, 1765240), (440, 1500454), (680, 970882), (748, 882620), (880, 750227), (935, 706096), (1360, 485441), (1496, 441310), (1870, 353048), (2992, 220655), (3740, 176524), (7480, 88262), (14960, 44131)]