81488100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1823}}^1$

素因数の和:1989

約数の個数: 72

約数和(自身を含む): 237484800

約数和(自身を除く): 155996700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 149, 150, 298, 300, 447, 596, 745, 894, 1490, 1788, 1823, 2235, 2980, 3646, 3725, 4470, 5469, 7292, 7450, 8940, 9115, 10938, 11175, 14900, 18230, 21876, 22350, 27345, 36460, 44700, 45575, 54690, 91150, 109380, 136725, 182300, 271627, 273450, 543254, 546900, 814881, 1086508, 1358135, 1629762, 2716270, 3259524, 4074405, 5432540, 6790675, 8148810, 13581350, 16297620, 20372025, 27162700, 40744050, 81488100]

約数ペア:

[(1, 81488100), (2, 40744050), (3, 27162700), (4, 20372025), (5, 16297620), (6, 13581350), (10, 8148810), (12, 6790675), (15, 5432540), (20, 4074405), (25, 3259524), (30, 2716270), (50, 1629762), (60, 1358135), (75, 1086508), (100, 814881), (149, 546900), (150, 543254), (298, 273450), (300, 271627), (447, 182300), (596, 136725), (745, 109380), (894, 91150), (1490, 54690), (1788, 45575), (1823, 44700), (2235, 36460), (2980, 27345), (3646, 22350), (3725, 21876), (4470, 18230), (5469, 14900), (7292, 11175), (7450, 10938), (8940, 9115)]