218048280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 687744000

約数和(自身を除く): 469695720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 199, 230, 276, 345, 397, 398, 460, 552, 597, 690, 794, 796, 920, 995, 1191, 1194, 1380, 1588, 1592, 1985, 1990, 2382, 2388, 2760, 2985, 3176, 3970, 3980, 4577, 4764, 4776, 5955, 5970, 7940, 7960, 9131, 9154, 9528, 11910, 11940, 13731, 15880, 18262, 18308, 22885, 23820, 23880, 27393, 27462, 36524, 36616, 45655, 45770, 47640, 54786, 54924, 68655, 73048, 79003, 91310, 91540, 109572, 109848, 136965, 137310, 158006, 182620, 183080, 219144, 237009, 273930, 274620, 316012, 365240, 395015, 474018, 547860, 549240, 632024, 790030, 948036, 1095720, 1185045, 1580060, 1817069, 1896072, 2370090, 3160120, 3634138, 4740180, 5451207, 7268276, 9085345, 9480360, 10902414, 14536552, 18170690, 21804828, 27256035, 36341380, 43609656, 54512070, 72682760, 109024140, 218048280]

約数ペア:

[(1, 218048280), (2, 109024140), (3, 72682760), (4, 54512070), (5, 43609656), (6, 36341380), (8, 27256035), (10, 21804828), (12, 18170690), (15, 14536552), (20, 10902414), (23, 9480360), (24, 9085345), (30, 7268276), (40, 5451207), (46, 4740180), (60, 3634138), (69, 3160120), (92, 2370090), (115, 1896072), (120, 1817069), (138, 1580060), (184, 1185045), (199, 1095720), (230, 948036), (276, 790030), (345, 632024), (397, 549240), (398, 547860), (460, 474018), (552, 395015), (597, 365240), (690, 316012), (794, 274620), (796, 273930), (920, 237009), (995, 219144), (1191, 183080), (1194, 182620), (1380, 158006), (1588, 137310), (1592, 136965), (1985, 109848), (1990, 109572), (2382, 91540), (2388, 91310), (2760, 79003), (2985, 73048), (3176, 68655), (3970, 54924), (3980, 54786), (4577, 47640), (4764, 45770), (4776, 45655), (5955, 36616), (5970, 36524), (7940, 27462), (7960, 27393), (9131, 23880), (9154, 23820), (9528, 22885), (11910, 18308), (11940, 18262), (13731, 15880)]