154761320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1231}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 399168000

約数和(自身を除く): 244406680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 449, 898, 1231, 1796, 2245, 2462, 3143, 3592, 4490, 4924, 6155, 6286, 8617, 8980, 9848, 12310, 12572, 15715, 17234, 17960, 24620, 25144, 31430, 34468, 43085, 49240, 62860, 68936, 86170, 125720, 172340, 344680, 552719, 1105438, 2210876, 2763595, 3869033, 4421752, 5527190, 7738066, 11054380, 15476132, 19345165, 22108760, 30952264, 38690330, 77380660, 154761320]

約数ペア:

[(1, 154761320), (2, 77380660), (4, 38690330), (5, 30952264), (7, 22108760), (8, 19345165), (10, 15476132), (14, 11054380), (20, 7738066), (28, 5527190), (35, 4421752), (40, 3869033), (56, 2763595), (70, 2210876), (140, 1105438), (280, 552719), (449, 344680), (898, 172340), (1231, 125720), (1796, 86170), (2245, 68936), (2462, 62860), (3143, 49240), (3592, 43085), (4490, 34468), (4924, 31430), (6155, 25144), (6286, 24620), (8617, 17960), (8980, 17234), (9848, 15715), (12310, 12572)]