1215131520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{632881}}^1$

素因数の和:632903

約数の個数: 64

約数和(自身を含む): 3873237840

約数和(自身を除く): 2658106320

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, 632881, 1265762, 1898643, 2531524, 3164405, 3797286, 5063048, 6328810, 7594572, 9493215, 10126096, 12657620, 15189144, 18986430, 20252192, 25315240, 30378288, 37972860, 40504384, 50630480, 60756576, 75945720, 81008768, 101260960, 121513152, 151891440, 202521920, 243026304, 303782880, 405043840, 607565760, 1215131520]

約数ペア:

[(1, 1215131520), (2, 607565760), (3, 405043840), (4, 303782880), (5, 243026304), (6, 202521920), (8, 151891440), (10, 121513152), (12, 101260960), (15, 81008768), (16, 75945720), (20, 60756576), (24, 50630480), (30, 40504384), (32, 37972860), (40, 30378288), (48, 25315240), (60, 20252192), (64, 18986430), (80, 15189144), (96, 12657620), (120, 10126096), (128, 9493215), (160, 7594572), (192, 6328810), (240, 5063048), (320, 3797286), (384, 3164405), (480, 2531524), (640, 1898643), (960, 1265762), (1920, 632881)]