7128180

素因数分解:

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

素因数の和:413

約数の個数: 54

約数和(自身を含む): 21731346

約数和(自身を除く): 14603166

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 8955, 11940, 17910, 35820, 39601, 79202, 118803, 158404, 198005, 237606, 356409, 396010, 475212, 594015, 712818, 792020, 1188030, 1425636, 1782045, 2376060, 3564090, 7128180]

約数ペア:

[(1, 7128180), (2, 3564090), (3, 2376060), (4, 1782045), (5, 1425636), (6, 1188030), (9, 792020), (10, 712818), (12, 594015), (15, 475212), (18, 396010), (20, 356409), (30, 237606), (36, 198005), (45, 158404), (60, 118803), (90, 79202), (180, 39601), (199, 35820), (398, 17910), (597, 11940), (796, 8955), (995, 7164), (1194, 5970), (1791, 3980), (1990, 3582), (2388, 2985)]