261485760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{272381}}^1$

素因数の和:272401

約数の個数: 56

約数和(自身を含む): 830220336

約数和(自身を除く): 568734576

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, 160, 192, 240, 320, 480, 960, 272381, 544762, 817143, 1089524, 1361905, 1634286, 2179048, 2723810, 3268572, 4085715, 4358096, 5447620, 6537144, 8171430, 8716192, 10895240, 13074288, 16342860, 17432384, 21790480, 26148576, 32685720, 43580960, 52297152, 65371440, 87161920, 130742880, 261485760]

約数ペア:

[(1, 261485760), (2, 130742880), (3, 87161920), (4, 65371440), (5, 52297152), (6, 43580960), (8, 32685720), (10, 26148576), (12, 21790480), (15, 17432384), (16, 16342860), (20, 13074288), (24, 10895240), (30, 8716192), (32, 8171430), (40, 6537144), (48, 5447620), (60, 4358096), (64, 4085715), (80, 3268572), (96, 2723810), (120, 2179048), (160, 1634286), (192, 1361905), (240, 1089524), (320, 817143), (480, 544762), (960, 272381)]