162821920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1994

約数の個数: 96

約数和(自身を含む): 420650496

約数和(自身を除く): 257828576

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 496, 527, 544, 620, 680, 992, 1054, 1240, 1360, 1931, 2108, 2480, 2635, 2720, 3862, 4216, 4960, 5270, 7724, 8432, 9655, 10540, 15448, 16864, 19310, 21080, 30896, 32827, 38620, 42160, 59861, 61792, 65654, 77240, 84320, 119722, 131308, 154480, 164135, 239444, 262616, 299305, 308960, 328270, 478888, 525232, 598610, 656540, 957776, 1017637, 1050464, 1197220, 1313080, 1915552, 2035274, 2394440, 2626160, 4070548, 4788880, 5088185, 5252320, 8141096, 9577760, 10176370, 16282192, 20352740, 32564384, 40705480, 81410960, 162821920]

約数ペア:

[(1, 162821920), (2, 81410960), (4, 40705480), (5, 32564384), (8, 20352740), (10, 16282192), (16, 10176370), (17, 9577760), (20, 8141096), (31, 5252320), (32, 5088185), (34, 4788880), (40, 4070548), (62, 2626160), (68, 2394440), (80, 2035274), (85, 1915552), (124, 1313080), (136, 1197220), (155, 1050464), (160, 1017637), (170, 957776), (248, 656540), (272, 598610), (310, 525232), (340, 478888), (496, 328270), (527, 308960), (544, 299305), (620, 262616), (680, 239444), (992, 164135), (1054, 154480), (1240, 131308), (1360, 119722), (1931, 84320), (2108, 77240), (2480, 65654), (2635, 61792), (2720, 59861), (3862, 42160), (4216, 38620), (4960, 32827), (5270, 30896), (7724, 21080), (8432, 19310), (9655, 16864), (10540, 15448)]