81758280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3229}}^1$

素因数の和:3454

約数の個数: 64

約数和(自身を含む): 246513600

約数和(自身を除く): 164755320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3229, 4220, 5064, 6330, 6458, 8440, 9687, 12660, 12916, 16145, 19374, 25320, 25832, 32290, 38748, 48435, 64580, 77496, 96870, 129160, 193740, 387480, 681319, 1362638, 2043957, 2725276, 3406595, 4087914, 5450552, 6813190, 8175828, 10219785, 13626380, 16351656, 20439570, 27252760, 40879140, 81758280]

約数ペア:

[(1, 81758280), (2, 40879140), (3, 27252760), (4, 20439570), (5, 16351656), (6, 13626380), (8, 10219785), (10, 8175828), (12, 6813190), (15, 5450552), (20, 4087914), (24, 3406595), (30, 2725276), (40, 2043957), (60, 1362638), (120, 681319), (211, 387480), (422, 193740), (633, 129160), (844, 96870), (1055, 77496), (1266, 64580), (1688, 48435), (2110, 38748), (2532, 32290), (3165, 25832), (3229, 25320), (4220, 19374), (5064, 16145), (6330, 12916), (6458, 12660), (8440, 9687)]