161624120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1303}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 416862720

約数和(自身を除く): 255238600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 443, 886, 1303, 1772, 2215, 2606, 3101, 3544, 4430, 5212, 6202, 6515, 8860, 9121, 10424, 12404, 13030, 15505, 17720, 18242, 24808, 26060, 31010, 36484, 45605, 52120, 62020, 72968, 91210, 124040, 182420, 364840, 577229, 1154458, 2308916, 2886145, 4040603, 4617832, 5772290, 8081206, 11544580, 16162412, 20203015, 23089160, 32324824, 40406030, 80812060, 161624120]

約数ペア:

[(1, 161624120), (2, 80812060), (4, 40406030), (5, 32324824), (7, 23089160), (8, 20203015), (10, 16162412), (14, 11544580), (20, 8081206), (28, 5772290), (35, 4617832), (40, 4040603), (56, 2886145), (70, 2308916), (140, 1154458), (280, 577229), (443, 364840), (886, 182420), (1303, 124040), (1772, 91210), (2215, 72968), (2606, 62020), (3101, 52120), (3544, 45605), (4430, 36484), (5212, 31010), (6202, 26060), (6515, 24808), (8860, 18242), (9121, 17720), (10424, 15505), (12404, 13030)]