823860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 2620800

約数和(自身を除く): 1796940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 199, 207, 230, 276, 345, 398, 414, 460, 597, 690, 796, 828, 995, 1035, 1194, 1380, 1791, 1990, 2070, 2388, 2985, 3582, 3980, 4140, 4577, 5970, 7164, 8955, 9154, 11940, 13731, 17910, 18308, 22885, 27462, 35820, 41193, 45770, 54924, 68655, 82386, 91540, 137310, 164772, 205965, 274620, 411930, 823860]

約数ペア:

[(1, 823860), (2, 411930), (3, 274620), (4, 205965), (5, 164772), (6, 137310), (9, 91540), (10, 82386), (12, 68655), (15, 54924), (18, 45770), (20, 41193), (23, 35820), (30, 27462), (36, 22885), (45, 18308), (46, 17910), (60, 13731), (69, 11940), (90, 9154), (92, 8955), (115, 7164), (138, 5970), (180, 4577), (199, 4140), (207, 3980), (230, 3582), (276, 2985), (345, 2388), (398, 2070), (414, 1990), (460, 1791), (597, 1380), (690, 1194), (796, 1035), (828, 995)]