1647720

素因数分解:

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

素因数の和:239

約数の個数: 96

約数和(自身を含む): 5616000

約数和(自身を除く): 3968280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 199, 207, 230, 276, 345, 360, 398, 414, 460, 552, 597, 690, 796, 828, 920, 995, 1035, 1194, 1380, 1592, 1656, 1791, 1990, 2070, 2388, 2760, 2985, 3582, 3980, 4140, 4577, 4776, 5970, 7164, 7960, 8280, 8955, 9154, 11940, 13731, 14328, 17910, 18308, 22885, 23880, 27462, 35820, 36616, 41193, 45770, 54924, 68655, 71640, 82386, 91540, 109848, 137310, 164772, 183080, 205965, 274620, 329544, 411930, 549240, 823860, 1647720]

約数ペア:

[(1, 1647720), (2, 823860), (3, 549240), (4, 411930), (5, 329544), (6, 274620), (8, 205965), (9, 183080), (10, 164772), (12, 137310), (15, 109848), (18, 91540), (20, 82386), (23, 71640), (24, 68655), (30, 54924), (36, 45770), (40, 41193), (45, 36616), (46, 35820), (60, 27462), (69, 23880), (72, 22885), (90, 18308), (92, 17910), (115, 14328), (120, 13731), (138, 11940), (180, 9154), (184, 8955), (199, 8280), (207, 7960), (230, 7164), (276, 5970), (345, 4776), (360, 4577), (398, 4140), (414, 3980), (460, 3582), (552, 2985), (597, 2760), (690, 2388), (796, 2070), (828, 1990), (920, 1791), (995, 1656), (1035, 1592), (1194, 1380)]