72613780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117119}}^1$

素因数の和:117159

約数の個数: 24

約数和(自身を含む): 157409280

約数和(自身を除く): 84795500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 117119, 234238, 468476, 585595, 1171190, 2342380, 3630689, 7261378, 14522756, 18153445, 36306890, 72613780]

約数ペア:

[(1, 72613780), (2, 36306890), (4, 18153445), (5, 14522756), (10, 7261378), (20, 3630689), (31, 2342380), (62, 1171190), (124, 585595), (155, 468476), (310, 234238), (620, 117119)]