90971520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47381}}^1$

素因数の和:47403

約数の個数: 64

約数和(自身を含む): 289977840

約数和(自身を除く): 199006320

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 47381, 94762, 142143, 189524, 236905, 284286, 379048, 473810, 568572, 710715, 758096, 947620, 1137144, 1421430, 1516192, 1895240, 2274288, 2842860, 3032384, 3790480, 4548576, 5685720, 6064768, 7580960, 9097152, 11371440, 15161920, 18194304, 22742880, 30323840, 45485760, 90971520]

約数ペア:

[(1, 90971520), (2, 45485760), (3, 30323840), (4, 22742880), (5, 18194304), (6, 15161920), (8, 11371440), (10, 9097152), (12, 7580960), (15, 6064768), (16, 5685720), (20, 4548576), (24, 3790480), (30, 3032384), (32, 2842860), (40, 2274288), (48, 1895240), (60, 1516192), (64, 1421430), (80, 1137144), (96, 947620), (120, 758096), (128, 710715), (160, 568572), (192, 473810), (240, 379048), (320, 284286), (384, 236905), (480, 189524), (640, 142143), (960, 94762), (1920, 47381)]