80474240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 256

約数和(自身を含む): 253808640

約数和(自身を除く): 173334400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 64, 70, 71, 77, 80, 88, 92, 110, 112, 115, 128, 140, 142, 154, 160, 161, 176, 184, 220, 224, 230, 253, 280, 284, 308, 320, 322, 352, 355, 368, 385, 440, 448, 460, 497, 506, 560, 568, 616, 640, 644, 704, 710, 736, 770, 781, 805, 880, 896, 920, 994, 1012, 1120, 1136, 1232, 1265, 1288, 1408, 1420, 1472, 1540, 1562, 1610, 1633, 1760, 1771, 1840, 1988, 2024, 2240, 2272, 2464, 2485, 2530, 2576, 2840, 2944, 3080, 3124, 3220, 3266, 3520, 3542, 3680, 3905, 3976, 4048, 4480, 4544, 4928, 4970, 5060, 5152, 5467, 5680, 6160, 6248, 6440, 6532, 7040, 7084, 7360, 7810, 7952, 8096, 8165, 8855, 9088, 9856, 9940, 10120, 10304, 10934, 11360, 11431, 12320, 12496, 12880, 13064, 14168, 14720, 15620, 15904, 16192, 16330, 17710, 17963, 19880, 20240, 20608, 21868, 22720, 22862, 24640, 24992, 25760, 26128, 27335, 28336, 31240, 31808, 32384, 32660, 35420, 35926, 39760, 40480, 43736, 45440, 45724, 49280, 49984, 51520, 52256, 54670, 56672, 57155, 62480, 63616, 65320, 70840, 71852, 79520, 80960, 87472, 89815, 91448, 99968, 103040, 104512, 109340, 113344, 114310, 124960, 125741, 130640, 141680, 143704, 159040, 161920, 174944, 179630, 182896, 209024, 218680, 226688, 228620, 249920, 251482, 261280, 283360, 287408, 318080, 349888, 359260, 365792, 437360, 457240, 499840, 502964, 522560, 566720, 574816, 628705, 699776, 718520, 731584, 874720, 914480, 1005928, 1045120, 1133440, 1149632, 1257410, 1437040, 1463168, 1749440, 1828960, 2011856, 2299264, 2514820, 2874080, 3498880, 3657920, 4023712, 5029640, 5748160, 7315840, 8047424, 10059280, 11496320, 16094848, 20118560, 40237120, 80474240]

約数ペア:

[(1, 80474240), (2, 40237120), (4, 20118560), (5, 16094848), (7, 11496320), (8, 10059280), (10, 8047424), (11, 7315840), (14, 5748160), (16, 5029640), (20, 4023712), (22, 3657920), (23, 3498880), (28, 2874080), (32, 2514820), (35, 2299264), (40, 2011856), (44, 1828960), (46, 1749440), (55, 1463168), (56, 1437040), (64, 1257410), (70, 1149632), (71, 1133440), (77, 1045120), (80, 1005928), (88, 914480), (92, 874720), (110, 731584), (112, 718520), (115, 699776), (128, 628705), (140, 574816), (142, 566720), (154, 522560), (160, 502964), (161, 499840), (176, 457240), (184, 437360), (220, 365792), (224, 359260), (230, 349888), (253, 318080), (280, 287408), (284, 283360), (308, 261280), (320, 251482), (322, 249920), (352, 228620), (355, 226688), (368, 218680), (385, 209024), (440, 182896), (448, 179630), (460, 174944), (497, 161920), (506, 159040), (560, 143704), (568, 141680), (616, 130640), (640, 125741), (644, 124960), (704, 114310), (710, 113344), (736, 109340), (770, 104512), (781, 103040), (805, 99968), (880, 91448), (896, 89815), (920, 87472), (994, 80960), (1012, 79520), (1120, 71852), (1136, 70840), (1232, 65320), (1265, 63616), (1288, 62480), (1408, 57155), (1420, 56672), (1472, 54670), (1540, 52256), (1562, 51520), (1610, 49984), (1633, 49280), (1760, 45724), (1771, 45440), (1840, 43736), (1988, 40480), (2024, 39760), (2240, 35926), (2272, 35420), (2464, 32660), (2485, 32384), (2530, 31808), (2576, 31240), (2840, 28336), (2944, 27335), (3080, 26128), (3124, 25760), (3220, 24992), (3266, 24640), (3520, 22862), (3542, 22720), (3680, 21868), (3905, 20608), (3976, 20240), (4048, 19880), (4480, 17963), (4544, 17710), (4928, 16330), (4970, 16192), (5060, 15904), (5152, 15620), (5467, 14720), (5680, 14168), (6160, 13064), (6248, 12880), (6440, 12496), (6532, 12320), (7040, 11431), (7084, 11360), (7360, 10934), (7810, 10304), (7952, 10120), (8096, 9940), (8165, 9856), (8855, 9088)]