168701820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{401671}}^1$

素因数の和:401690

約数の個数: 48

約数和(自身を含む): 539847168

約数和(自身を除く): 371145348

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, 401671, 803342, 1205013, 1606684, 2008355, 2410026, 2811697, 4016710, 4820052, 5623394, 6025065, 8033420, 8435091, 11246788, 12050130, 14058485, 16870182, 24100260, 28116970, 33740364, 42175455, 56233940, 84350910, 168701820]

約数ペア:

[(1, 168701820), (2, 84350910), (3, 56233940), (4, 42175455), (5, 33740364), (6, 28116970), (7, 24100260), (10, 16870182), (12, 14058485), (14, 12050130), (15, 11246788), (20, 8435091), (21, 8033420), (28, 6025065), (30, 5623394), (35, 4820052), (42, 4016710), (60, 2811697), (70, 2410026), (84, 2008355), (105, 1606684), (140, 1205013), (210, 803342), (420, 401671)]