81948960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56909}}^1$

素因数の和:56930

約数の個数: 72

約数和(自身を含む): 279655740

約数和(自身を除く): 197706780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56909, 113818, 170727, 227636, 284545, 341454, 455272, 512181, 569090, 682908, 853635, 910544, 1024362, 1138180, 1365816, 1707270, 1821088, 2048724, 2276360, 2560905, 2731632, 3414540, 4097448, 4552720, 5121810, 5463264, 6829080, 8194896, 9105440, 10243620, 13658160, 16389792, 20487240, 27316320, 40974480, 81948960]

約数ペア:

[(1, 81948960), (2, 40974480), (3, 27316320), (4, 20487240), (5, 16389792), (6, 13658160), (8, 10243620), (9, 9105440), (10, 8194896), (12, 6829080), (15, 5463264), (16, 5121810), (18, 4552720), (20, 4097448), (24, 3414540), (30, 2731632), (32, 2560905), (36, 2276360), (40, 2048724), (45, 1821088), (48, 1707270), (60, 1365816), (72, 1138180), (80, 1024362), (90, 910544), (96, 853635), (120, 682908), (144, 569090), (160, 512181), (180, 455272), (240, 341454), (288, 284545), (360, 227636), (480, 170727), (720, 113818), (1440, 56909)]