19854960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82729}}^1$

素因数の和:82745

約数の個数: 40

約数和(自身を含む): 61551120

約数和(自身を除く): 41696160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82729, 165458, 248187, 330916, 413645, 496374, 661832, 827290, 992748, 1240935, 1323664, 1654580, 1985496, 2481870, 3309160, 3970992, 4963740, 6618320, 9927480, 19854960]

約数ペア:

[(1, 19854960), (2, 9927480), (3, 6618320), (4, 4963740), (5, 3970992), (6, 3309160), (8, 2481870), (10, 1985496), (12, 1654580), (15, 1323664), (16, 1240935), (20, 992748), (24, 827290), (30, 661832), (40, 496374), (48, 413645), (60, 330916), (80, 248187), (120, 165458), (240, 82729)]