221057280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 216

約数和(自身を含む): 790782720

約数和(自身を除く): 569725440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 619, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1238, 1240, 1280, 1395, 1440, 1488, 1857, 1860, 1920, 1984, 2232, 2304, 2476, 2480, 2790, 2880, 2976, 3095, 3714, 3720, 3840, 3968, 4464, 4952, 4960, 5571, 5580, 5760, 5952, 6190, 7428, 7440, 7936, 8928, 9285, 9904, 9920, 11142, 11160, 11520, 11904, 12380, 14856, 14880, 17856, 18570, 19189, 19808, 19840, 22284, 22320, 23808, 24760, 27855, 29712, 29760, 35712, 37140, 38378, 39616, 39680, 44568, 44640, 49520, 55710, 57567, 59424, 59520, 71424, 74280, 76756, 79232, 89136, 89280, 95945, 99040, 111420, 115134, 118848, 119040, 148560, 153512, 158464, 172701, 178272, 178560, 191890, 198080, 222840, 230268, 237696, 287835, 297120, 307024, 345402, 356544, 357120, 383780, 396160, 445680, 460536, 475392, 575670, 594240, 614048, 690804, 713088, 767560, 792320, 863505, 891360, 921072, 1151340, 1188480, 1228096, 1381608, 1426176, 1535120, 1727010, 1782720, 1842144, 2302680, 2376960, 2456192, 2763216, 3070240, 3454020, 3565440, 3684288, 4605360, 4912384, 5526432, 6140480, 6908040, 7130880, 7368576, 9210720, 11052864, 12280960, 13816080, 14737152, 18421440, 22105728, 24561920, 27632160, 36842880, 44211456, 55264320, 73685760, 110528640, 221057280]

約数ペア:

[(1, 221057280), (2, 110528640), (3, 73685760), (4, 55264320), (5, 44211456), (6, 36842880), (8, 27632160), (9, 24561920), (10, 22105728), (12, 18421440), (15, 14737152), (16, 13816080), (18, 12280960), (20, 11052864), (24, 9210720), (30, 7368576), (31, 7130880), (32, 6908040), (36, 6140480), (40, 5526432), (45, 4912384), (48, 4605360), (60, 3684288), (62, 3565440), (64, 3454020), (72, 3070240), (80, 2763216), (90, 2456192), (93, 2376960), (96, 2302680), (120, 1842144), (124, 1782720), (128, 1727010), (144, 1535120), (155, 1426176), (160, 1381608), (180, 1228096), (186, 1188480), (192, 1151340), (240, 921072), (248, 891360), (256, 863505), (279, 792320), (288, 767560), (310, 713088), (320, 690804), (360, 614048), (372, 594240), (384, 575670), (465, 475392), (480, 460536), (496, 445680), (558, 396160), (576, 383780), (619, 357120), (620, 356544), (640, 345402), (720, 307024), (744, 297120), (768, 287835), (930, 237696), (960, 230268), (992, 222840), (1116, 198080), (1152, 191890), (1238, 178560), (1240, 178272), (1280, 172701), (1395, 158464), (1440, 153512), (1488, 148560), (1857, 119040), (1860, 118848), (1920, 115134), (1984, 111420), (2232, 99040), (2304, 95945), (2476, 89280), (2480, 89136), (2790, 79232), (2880, 76756), (2976, 74280), (3095, 71424), (3714, 59520), (3720, 59424), (3840, 57567), (3968, 55710), (4464, 49520), (4952, 44640), (4960, 44568), (5571, 39680), (5580, 39616), (5760, 38378), (5952, 37140), (6190, 35712), (7428, 29760), (7440, 29712), (7936, 27855), (8928, 24760), (9285, 23808), (9904, 22320), (9920, 22284), (11142, 19840), (11160, 19808), (11520, 19189), (11904, 18570), (12380, 17856), (14856, 14880)]