161569121620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8221}}^1\times {\mathrm{51719}}^1$

素因数の和:59968

約数の個数: 48

約数和(自身を含む): 357203145600

約数和(自身を除く): 195634023980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 8221, 16442, 32884, 41105, 51719, 82210, 103438, 156199, 164420, 206876, 258595, 312398, 517190, 624796, 780995, 982661, 1034380, 1561990, 1965322, 3123980, 3930644, 4913305, 9826610, 19653220, 425181899, 850363798, 1700727596, 2125909495, 4251818990, 8078456081, 8503637980, 16156912162, 32313824324, 40392280405, 80784560810, 161569121620]

約数ペア:

[(1, 161569121620), (2, 80784560810), (4, 40392280405), (5, 32313824324), (10, 16156912162), (19, 8503637980), (20, 8078456081), (38, 4251818990), (76, 2125909495), (95, 1700727596), (190, 850363798), (380, 425181899), (8221, 19653220), (16442, 9826610), (32884, 4913305), (41105, 3930644), (51719, 3123980), (82210, 1965322), (103438, 1561990), (156199, 1034380), (164420, 982661), (206876, 780995), (258595, 624796), (312398, 517190)]