15715880

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1187}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 35497440

約数和(自身を除く): 19781560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1187, 1324, 1655, 2374, 2648, 3310, 4748, 5935, 6620, 9496, 11870, 13240, 23740, 47480, 392897, 785794, 1571588, 1964485, 3143176, 3928970, 7857940, 15715880]

約数ペア:

[(1, 15715880), (2, 7857940), (4, 3928970), (5, 3143176), (8, 1964485), (10, 1571588), (20, 785794), (40, 392897), (331, 47480), (662, 23740), (1187, 13240), (1324, 11870), (1655, 9496), (2374, 6620), (2648, 5935), (3310, 4748)]