71209980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{395611}}^1$

素因数の和:395626

約数の個数: 36

約数和(自身を含む): 216004152

約数和(自身を除く): 144794172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 395611, 791222, 1186833, 1582444, 1978055, 2373666, 3560499, 3956110, 4747332, 5934165, 7120998, 7912220, 11868330, 14241996, 17802495, 23736660, 35604990, 71209980]

約数ペア:

[(1, 71209980), (2, 35604990), (3, 23736660), (4, 17802495), (5, 14241996), (6, 11868330), (9, 7912220), (10, 7120998), (12, 5934165), (15, 4747332), (18, 3956110), (20, 3560499), (30, 2373666), (36, 1978055), (45, 1582444), (60, 1186833), (90, 791222), (180, 395611)]