142123760

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2143}}^1$

素因数の和:2985

約数の個数: 40

約数和(自身を含む): 330990720

約数和(自身を除く): 188866960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1658, 2143, 3316, 4145, 4286, 6632, 8290, 8572, 10715, 13264, 16580, 17144, 21430, 33160, 34288, 42860, 66320, 85720, 171440, 1776547, 3553094, 7106188, 8882735, 14212376, 17765470, 28424752, 35530940, 71061880, 142123760]

約数ペア:

[(1, 142123760), (2, 71061880), (4, 35530940), (5, 28424752), (8, 17765470), (10, 14212376), (16, 8882735), (20, 7106188), (40, 3553094), (80, 1776547), (829, 171440), (1658, 85720), (2143, 66320), (3316, 42860), (4145, 34288), (4286, 33160), (6632, 21430), (8290, 17144), (8572, 16580), (10715, 13264)]