12405660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1039}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 34944000

約数和(自身を除く): 22538340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1039, 1194, 1990, 2078, 2388, 2985, 3117, 3980, 4156, 5195, 5970, 6234, 10390, 11940, 12468, 15585, 20780, 31170, 62340, 206761, 413522, 620283, 827044, 1033805, 1240566, 2067610, 2481132, 3101415, 4135220, 6202830, 12405660]

約数ペア:

[(1, 12405660), (2, 6202830), (3, 4135220), (4, 3101415), (5, 2481132), (6, 2067610), (10, 1240566), (12, 1033805), (15, 827044), (20, 620283), (30, 413522), (60, 206761), (199, 62340), (398, 31170), (597, 20780), (796, 15585), (995, 12468), (1039, 11940), (1194, 10390), (1990, 6234), (2078, 5970), (2388, 5195), (2985, 4156), (3117, 3980)]