15180280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2897}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 34428240

約数和(自身を除く): 19247960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 2897, 5240, 5794, 11588, 14485, 23176, 28970, 57940, 115880, 379507, 759014, 1518028, 1897535, 3036056, 3795070, 7590140, 15180280]

約数ペア:

[(1, 15180280), (2, 7590140), (4, 3795070), (5, 3036056), (8, 1897535), (10, 1518028), (20, 759014), (40, 379507), (131, 115880), (262, 57940), (524, 28970), (655, 23176), (1048, 14485), (1310, 11588), (2620, 5794), (2897, 5240)]