12245460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{499}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 34440000

約数和(自身を除く): 22194540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 499, 818, 998, 1227, 1497, 1636, 1996, 2045, 2454, 2495, 2994, 4090, 4908, 4990, 5988, 6135, 7485, 8180, 9980, 12270, 14970, 24540, 29940, 204091, 408182, 612273, 816364, 1020455, 1224546, 2040910, 2449092, 3061365, 4081820, 6122730, 12245460]

約数ペア:

[(1, 12245460), (2, 6122730), (3, 4081820), (4, 3061365), (5, 2449092), (6, 2040910), (10, 1224546), (12, 1020455), (15, 816364), (20, 612273), (30, 408182), (60, 204091), (409, 29940), (499, 24540), (818, 14970), (998, 12270), (1227, 9980), (1497, 8180), (1636, 7485), (1996, 6135), (2045, 5988), (2454, 4990), (2495, 4908), (2994, 4090)]