165823140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{394817}}^1$

素因数の和:394836

約数の個数: 48

約数和(自身を含む): 530635392

約数和(自身を除く): 364812252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 394817, 789634, 1184451, 1579268, 1974085, 2368902, 2763719, 3948170, 4737804, 5527438, 5922255, 7896340, 8291157, 11054876, 11844510, 13818595, 16582314, 23689020, 27637190, 33164628, 41455785, 55274380, 82911570, 165823140]

約数ペア:

[(1, 165823140), (2, 82911570), (3, 55274380), (4, 41455785), (5, 33164628), (6, 27637190), (7, 23689020), (10, 16582314), (12, 13818595), (14, 11844510), (15, 11054876), (20, 8291157), (21, 7896340), (28, 5922255), (30, 5527438), (35, 4737804), (42, 3948170), (60, 2763719), (70, 2368902), (84, 1974085), (105, 1579268), (140, 1184451), (210, 789634), (420, 394817)]