30689080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45131}}^1$

素因数の和:45159

約数の個数: 32

約数和(自身を含む): 73113840

約数和(自身を除く): 42424760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 45131, 90262, 180524, 225655, 361048, 451310, 767227, 902620, 1534454, 1805240, 3068908, 3836135, 6137816, 7672270, 15344540, 30689080]

約数ペア:

[(1, 30689080), (2, 15344540), (4, 7672270), (5, 6137816), (8, 3836135), (10, 3068908), (17, 1805240), (20, 1534454), (34, 902620), (40, 767227), (68, 451310), (85, 361048), (136, 225655), (170, 180524), (340, 90262), (680, 45131)]