31688760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1327}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 95616000

約数和(自身を除く): 63927240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1327, 1592, 1990, 2388, 2654, 2985, 3980, 3981, 4776, 5308, 5970, 6635, 7960, 7962, 10616, 11940, 13270, 15924, 19905, 23880, 26540, 31848, 39810, 53080, 79620, 159240, 264073, 528146, 792219, 1056292, 1320365, 1584438, 2112584, 2640730, 3168876, 3961095, 5281460, 6337752, 7922190, 10562920, 15844380, 31688760]

約数ペア:

[(1, 31688760), (2, 15844380), (3, 10562920), (4, 7922190), (5, 6337752), (6, 5281460), (8, 3961095), (10, 3168876), (12, 2640730), (15, 2112584), (20, 1584438), (24, 1320365), (30, 1056292), (40, 792219), (60, 528146), (120, 264073), (199, 159240), (398, 79620), (597, 53080), (796, 39810), (995, 31848), (1194, 26540), (1327, 23880), (1592, 19905), (1990, 15924), (2388, 13270), (2654, 11940), (2985, 10616), (3980, 7962), (3981, 7960), (4776, 6635), (5308, 5970)]