680580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 2184000

約数和(自身を除く): 1503420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 199, 228, 285, 342, 380, 398, 570, 597, 684, 796, 855, 995, 1140, 1194, 1710, 1791, 1990, 2388, 2985, 3420, 3582, 3781, 3980, 5970, 7164, 7562, 8955, 11343, 11940, 15124, 17910, 18905, 22686, 34029, 35820, 37810, 45372, 56715, 68058, 75620, 113430, 136116, 170145, 226860, 340290, 680580]

約数ペア:

[(1, 680580), (2, 340290), (3, 226860), (4, 170145), (5, 136116), (6, 113430), (9, 75620), (10, 68058), (12, 56715), (15, 45372), (18, 37810), (19, 35820), (20, 34029), (30, 22686), (36, 18905), (38, 17910), (45, 15124), (57, 11940), (60, 11343), (76, 8955), (90, 7562), (95, 7164), (114, 5970), (171, 3980), (180, 3781), (190, 3582), (199, 3420), (228, 2985), (285, 2388), (342, 1990), (380, 1791), (398, 1710), (570, 1194), (597, 1140), (684, 995), (796, 855)]