84212820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2351}}^1$

素因数の和:2565

約数の個数: 72

約数和(自身を含む): 256838400

約数和(自身を除く): 172625580

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, 2351, 2388, 2985, 3582, 3980, 4702, 5970, 7053, 7164, 8955, 9404, 11755, 11940, 14106, 17910, 21159, 23510, 28212, 35265, 35820, 42318, 47020, 70530, 84636, 105795, 141060, 211590, 423180, 467849, 935698, 1403547, 1871396, 2339245, 2807094, 4210641, 4678490, 5614188, 7017735, 8421282, 9356980, 14035470, 16842564, 21053205, 28070940, 42106410, 84212820]

約数ペア:

[(1, 84212820), (2, 42106410), (3, 28070940), (4, 21053205), (5, 16842564), (6, 14035470), (9, 9356980), (10, 8421282), (12, 7017735), (15, 5614188), (18, 4678490), (20, 4210641), (30, 2807094), (36, 2339245), (45, 1871396), (60, 1403547), (90, 935698), (180, 467849), (199, 423180), (398, 211590), (597, 141060), (796, 105795), (995, 84636), (1194, 70530), (1791, 47020), (1990, 42318), (2351, 35820), (2388, 35265), (2985, 28212), (3582, 23510), (3980, 21159), (4702, 17910), (5970, 14106), (7053, 11940), (7164, 11755), (8955, 9404)]