168575820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{401371}}^1$

素因数の和:401390

約数の個数: 48

約数和(自身を含む): 539443968

約数和(自身を除く): 370868148

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, 401371, 802742, 1204113, 1605484, 2006855, 2408226, 2809597, 4013710, 4816452, 5619194, 6020565, 8027420, 8428791, 11238388, 12041130, 14047985, 16857582, 24082260, 28095970, 33715164, 42143955, 56191940, 84287910, 168575820]

約数ペア:

[(1, 168575820), (2, 84287910), (3, 56191940), (4, 42143955), (5, 33715164), (6, 28095970), (7, 24082260), (10, 16857582), (12, 14047985), (14, 12041130), (15, 11238388), (20, 8428791), (21, 8027420), (28, 6020565), (30, 5619194), (35, 4816452), (42, 4013710), (60, 2809597), (70, 2408226), (84, 2006855), (105, 1605484), (140, 1204113), (210, 802742), (420, 401371)]