72130180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{367}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 157280256

約数和(自身を除く): 85150076

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 317, 367, 620, 634, 734, 1268, 1468, 1585, 1835, 3170, 3670, 6340, 7340, 9827, 11377, 19654, 22754, 39308, 45508, 49135, 56885, 98270, 113770, 116339, 196540, 227540, 232678, 465356, 581695, 1163390, 2326780, 3606509, 7213018, 14426036, 18032545, 36065090, 72130180]

約数ペア:

[(1, 72130180), (2, 36065090), (4, 18032545), (5, 14426036), (10, 7213018), (20, 3606509), (31, 2326780), (62, 1163390), (124, 581695), (155, 465356), (310, 232678), (317, 227540), (367, 196540), (620, 116339), (634, 113770), (734, 98270), (1268, 56885), (1468, 49135), (1585, 45508), (1835, 39308), (3170, 22754), (3670, 19654), (6340, 11377), (7340, 9827)]