216400560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:435

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 490697040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 197, 199, 230, 240, 276, 345, 368, 394, 398, 460, 552, 591, 597, 690, 788, 796, 920, 985, 995, 1104, 1182, 1194, 1380, 1576, 1592, 1840, 1970, 1990, 2364, 2388, 2760, 2955, 2985, 3152, 3184, 3940, 3980, 4531, 4577, 4728, 4776, 5520, 5910, 5970, 7880, 7960, 9062, 9154, 9456, 9552, 11820, 11940, 13593, 13731, 15760, 15920, 18124, 18308, 22655, 22885, 23640, 23880, 27186, 27462, 36248, 36616, 39203, 45310, 45770, 47280, 47760, 54372, 54924, 67965, 68655, 72496, 73232, 78406, 90620, 91540, 108744, 109848, 117609, 135930, 137310, 156812, 181240, 183080, 196015, 217488, 219696, 235218, 271860, 274620, 313624, 362480, 366160, 392030, 470436, 543720, 549240, 588045, 627248, 784060, 901669, 940872, 1087440, 1098480, 1176090, 1568120, 1803338, 1881744, 2352180, 2705007, 3136240, 3606676, 4508345, 4704360, 5410014, 7213352, 9016690, 9408720, 10820028, 13525035, 14426704, 18033380, 21640056, 27050070, 36066760, 43280112, 54100140, 72133520, 108200280, 216400560]

約数ペア:

[(1, 216400560), (2, 108200280), (3, 72133520), (4, 54100140), (5, 43280112), (6, 36066760), (8, 27050070), (10, 21640056), (12, 18033380), (15, 14426704), (16, 13525035), (20, 10820028), (23, 9408720), (24, 9016690), (30, 7213352), (40, 5410014), (46, 4704360), (48, 4508345), (60, 3606676), (69, 3136240), (80, 2705007), (92, 2352180), (115, 1881744), (120, 1803338), (138, 1568120), (184, 1176090), (197, 1098480), (199, 1087440), (230, 940872), (240, 901669), (276, 784060), (345, 627248), (368, 588045), (394, 549240), (398, 543720), (460, 470436), (552, 392030), (591, 366160), (597, 362480), (690, 313624), (788, 274620), (796, 271860), (920, 235218), (985, 219696), (995, 217488), (1104, 196015), (1182, 183080), (1194, 181240), (1380, 156812), (1576, 137310), (1592, 135930), (1840, 117609), (1970, 109848), (1990, 108744), (2364, 91540), (2388, 90620), (2760, 78406), (2955, 73232), (2985, 72496), (3152, 68655), (3184, 67965), (3940, 54924), (3980, 54372), (4531, 47760), (4577, 47280), (4728, 45770), (4776, 45310), (5520, 39203), (5910, 36616), (5970, 36248), (7880, 27462), (7960, 27186), (9062, 23880), (9154, 23640), (9456, 22885), (9552, 22655), (11820, 18308), (11940, 18124), (13593, 15920), (13731, 15760)]