81045960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{929}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 243734400

約数和(自身を除く): 162688440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 727, 929, 1454, 1858, 2181, 2787, 2908, 3635, 3716, 4362, 4645, 5574, 5816, 7270, 7432, 8724, 9290, 10905, 11148, 13935, 14540, 17448, 18580, 21810, 22296, 27870, 29080, 37160, 43620, 55740, 87240, 111480, 675383, 1350766, 2026149, 2701532, 3376915, 4052298, 5403064, 6753830, 8104596, 10130745, 13507660, 16209192, 20261490, 27015320, 40522980, 81045960]

約数ペア:

[(1, 81045960), (2, 40522980), (3, 27015320), (4, 20261490), (5, 16209192), (6, 13507660), (8, 10130745), (10, 8104596), (12, 6753830), (15, 5403064), (20, 4052298), (24, 3376915), (30, 2701532), (40, 2026149), (60, 1350766), (120, 675383), (727, 111480), (929, 87240), (1454, 55740), (1858, 43620), (2181, 37160), (2787, 29080), (2908, 27870), (3635, 22296), (3716, 21810), (4362, 18580), (4645, 17448), (5574, 14540), (5816, 13935), (7270, 11148), (7432, 10905), (8724, 9290)]