68906180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15877}}^1$

素因数の和:15924

約数の個数: 48

約数和(自身を含む): 170720256

約数和(自身を除く): 101814076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 15877, 31754, 63508, 79385, 111139, 158770, 222278, 317540, 444556, 492187, 555695, 984374, 1111390, 1968748, 2222780, 2460935, 3445309, 4921870, 6890618, 9843740, 13781236, 17226545, 34453090, 68906180]

約数ペア:

[(1, 68906180), (2, 34453090), (4, 17226545), (5, 13781236), (7, 9843740), (10, 6890618), (14, 4921870), (20, 3445309), (28, 2460935), (31, 2222780), (35, 1968748), (62, 1111390), (70, 984374), (124, 555695), (140, 492187), (155, 444556), (217, 317540), (310, 222278), (434, 158770), (620, 111139), (868, 79385), (1085, 63508), (2170, 31754), (4340, 15877)]