161165120

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4457}}^1$

素因数の和:4587

約数の個数: 56

約数和(自身を含む): 387257544

約数和(自身を除く): 226092424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 904, 1130, 1808, 2260, 3616, 4457, 4520, 7232, 8914, 9040, 17828, 18080, 22285, 35656, 36160, 44570, 71312, 89140, 142624, 178280, 285248, 356560, 503641, 713120, 1007282, 1426240, 2014564, 2518205, 4029128, 5036410, 8058256, 10072820, 16116512, 20145640, 32233024, 40291280, 80582560, 161165120]

約数ペア:

[(1, 161165120), (2, 80582560), (4, 40291280), (5, 32233024), (8, 20145640), (10, 16116512), (16, 10072820), (20, 8058256), (32, 5036410), (40, 4029128), (64, 2518205), (80, 2014564), (113, 1426240), (160, 1007282), (226, 713120), (320, 503641), (452, 356560), (565, 285248), (904, 178280), (1130, 142624), (1808, 89140), (2260, 71312), (3616, 44570), (4457, 36160), (4520, 35656), (7232, 22285), (8914, 18080), (9040, 17828)]