121920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{127}}^1$

素因数の和:147

約数の個数: 56

約数和(自身を含む): 390144

約数和(自身を除く): 268224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 160, 192, 240, 254, 320, 381, 480, 508, 635, 762, 960, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 4064, 5080, 6096, 7620, 8128, 10160, 12192, 15240, 20320, 24384, 30480, 40640, 60960, 121920]

約数ペア:

[(1, 121920), (2, 60960), (3, 40640), (4, 30480), (5, 24384), (6, 20320), (8, 15240), (10, 12192), (12, 10160), (15, 8128), (16, 7620), (20, 6096), (24, 5080), (30, 4064), (32, 3810), (40, 3048), (48, 2540), (60, 2032), (64, 1905), (80, 1524), (96, 1270), (120, 1016), (127, 960), (160, 762), (192, 635), (240, 508), (254, 480), (320, 381)]