328894720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 288

約数和(自身を含む): 1017225216

約数和(自身を除く): 688330496

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 47, 55, 56, 64, 70, 71, 77, 80, 88, 94, 110, 112, 128, 140, 142, 154, 160, 176, 188, 220, 224, 235, 256, 280, 284, 308, 320, 329, 352, 355, 376, 385, 440, 448, 470, 497, 517, 560, 568, 616, 640, 658, 704, 710, 752, 770, 781, 880, 896, 940, 994, 1034, 1120, 1136, 1232, 1280, 1316, 1408, 1420, 1504, 1540, 1562, 1645, 1760, 1792, 1880, 1988, 2068, 2240, 2272, 2464, 2485, 2585, 2632, 2816, 2840, 3008, 3080, 3124, 3290, 3337, 3520, 3619, 3760, 3905, 3976, 4136, 4480, 4544, 4928, 4970, 5170, 5264, 5467, 5680, 6016, 6160, 6248, 6580, 6674, 7040, 7238, 7520, 7810, 7952, 8272, 8960, 9088, 9856, 9940, 10340, 10528, 10934, 11360, 12032, 12320, 12496, 13160, 13348, 14080, 14476, 15040, 15620, 15904, 16544, 16685, 18095, 18176, 19712, 19880, 20680, 21056, 21868, 22720, 23359, 24640, 24992, 26320, 26696, 27335, 28952, 30080, 31240, 31808, 33088, 33370, 36190, 36707, 39760, 41360, 42112, 43736, 45440, 46718, 49280, 49984, 52640, 53392, 54670, 57904, 60160, 62480, 63616, 66176, 66740, 72380, 73414, 79520, 82720, 84224, 87472, 90880, 93436, 98560, 99968, 105280, 106784, 109340, 115808, 116795, 124960, 127232, 132352, 133480, 144760, 146828, 159040, 165440, 174944, 183535, 186872, 199936, 210560, 213568, 218680, 231616, 233590, 249920, 256949, 266960, 289520, 293656, 318080, 330880, 349888, 367070, 373744, 421120, 427136, 437360, 463232, 467180, 499840, 513898, 533920, 579040, 587312, 636160, 661760, 699776, 734140, 747488, 854272, 874720, 926464, 934360, 999680, 1027796, 1067840, 1158080, 1174624, 1284745, 1399552, 1468280, 1494976, 1749440, 1868720, 2055592, 2135680, 2316160, 2349248, 2569490, 2936560, 2989952, 3498880, 3737440, 4111184, 4271360, 4632320, 4698496, 5138980, 5873120, 5979904, 6997760, 7474880, 8222368, 9396992, 10277960, 11746240, 14949760, 16444736, 20555920, 23492480, 29899520, 32889472, 41111840, 46984960, 65778944, 82223680, 164447360, 328894720]

約数ペア:

[(1, 328894720), (2, 164447360), (4, 82223680), (5, 65778944), (7, 46984960), (8, 41111840), (10, 32889472), (11, 29899520), (14, 23492480), (16, 20555920), (20, 16444736), (22, 14949760), (28, 11746240), (32, 10277960), (35, 9396992), (40, 8222368), (44, 7474880), (47, 6997760), (55, 5979904), (56, 5873120), (64, 5138980), (70, 4698496), (71, 4632320), (77, 4271360), (80, 4111184), (88, 3737440), (94, 3498880), (110, 2989952), (112, 2936560), (128, 2569490), (140, 2349248), (142, 2316160), (154, 2135680), (160, 2055592), (176, 1868720), (188, 1749440), (220, 1494976), (224, 1468280), (235, 1399552), (256, 1284745), (280, 1174624), (284, 1158080), (308, 1067840), (320, 1027796), (329, 999680), (352, 934360), (355, 926464), (376, 874720), (385, 854272), (440, 747488), (448, 734140), (470, 699776), (497, 661760), (517, 636160), (560, 587312), (568, 579040), (616, 533920), (640, 513898), (658, 499840), (704, 467180), (710, 463232), (752, 437360), (770, 427136), (781, 421120), (880, 373744), (896, 367070), (940, 349888), (994, 330880), (1034, 318080), (1120, 293656), (1136, 289520), (1232, 266960), (1280, 256949), (1316, 249920), (1408, 233590), (1420, 231616), (1504, 218680), (1540, 213568), (1562, 210560), (1645, 199936), (1760, 186872), (1792, 183535), (1880, 174944), (1988, 165440), (2068, 159040), (2240, 146828), (2272, 144760), (2464, 133480), (2485, 132352), (2585, 127232), (2632, 124960), (2816, 116795), (2840, 115808), (3008, 109340), (3080, 106784), (3124, 105280), (3290, 99968), (3337, 98560), (3520, 93436), (3619, 90880), (3760, 87472), (3905, 84224), (3976, 82720), (4136, 79520), (4480, 73414), (4544, 72380), (4928, 66740), (4970, 66176), (5170, 63616), (5264, 62480), (5467, 60160), (5680, 57904), (6016, 54670), (6160, 53392), (6248, 52640), (6580, 49984), (6674, 49280), (7040, 46718), (7238, 45440), (7520, 43736), (7810, 42112), (7952, 41360), (8272, 39760), (8960, 36707), (9088, 36190), (9856, 33370), (9940, 33088), (10340, 31808), (10528, 31240), (10934, 30080), (11360, 28952), (12032, 27335), (12320, 26696), (12496, 26320), (13160, 24992), (13348, 24640), (14080, 23359), (14476, 22720), (15040, 21868), (15620, 21056), (15904, 20680), (16544, 19880), (16685, 19712), (18095, 18176)]