218795520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:976

約数の個数: 160

約数和(自身を含む): 722810880

約数和(自身を除く): 504015360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 919, 930, 960, 992, 1240, 1280, 1488, 1536, 1838, 1860, 1920, 1984, 2480, 2560, 2757, 2976, 3676, 3720, 3840, 3968, 4595, 4960, 5514, 5952, 7352, 7440, 7680, 7936, 9190, 9920, 11028, 11904, 13785, 14704, 14880, 15872, 18380, 19840, 22056, 23808, 27570, 28489, 29408, 29760, 36760, 39680, 44112, 47616, 55140, 56978, 58816, 59520, 73520, 79360, 85467, 88224, 110280, 113956, 117632, 119040, 142445, 147040, 170934, 176448, 220560, 227912, 235264, 238080, 284890, 294080, 341868, 352896, 427335, 441120, 455824, 470528, 569780, 588160, 683736, 705792, 854670, 882240, 911648, 1139560, 1176320, 1367472, 1411584, 1709340, 1764480, 1823296, 2279120, 2352640, 2734944, 3418680, 3528960, 3646592, 4558240, 5469888, 6837360, 7057920, 7293184, 9116480, 10939776, 13674720, 14586368, 18232960, 21879552, 27349440, 36465920, 43759104, 54698880, 72931840, 109397760, 218795520]

約数ペア:

[(1, 218795520), (2, 109397760), (3, 72931840), (4, 54698880), (5, 43759104), (6, 36465920), (8, 27349440), (10, 21879552), (12, 18232960), (15, 14586368), (16, 13674720), (20, 10939776), (24, 9116480), (30, 7293184), (31, 7057920), (32, 6837360), (40, 5469888), (48, 4558240), (60, 3646592), (62, 3528960), (64, 3418680), (80, 2734944), (93, 2352640), (96, 2279120), (120, 1823296), (124, 1764480), (128, 1709340), (155, 1411584), (160, 1367472), (186, 1176320), (192, 1139560), (240, 911648), (248, 882240), (256, 854670), (310, 705792), (320, 683736), (372, 588160), (384, 569780), (465, 470528), (480, 455824), (496, 441120), (512, 427335), (620, 352896), (640, 341868), (744, 294080), (768, 284890), (919, 238080), (930, 235264), (960, 227912), (992, 220560), (1240, 176448), (1280, 170934), (1488, 147040), (1536, 142445), (1838, 119040), (1860, 117632), (1920, 113956), (1984, 110280), (2480, 88224), (2560, 85467), (2757, 79360), (2976, 73520), (3676, 59520), (3720, 58816), (3840, 56978), (3968, 55140), (4595, 47616), (4960, 44112), (5514, 39680), (5952, 36760), (7352, 29760), (7440, 29408), (7680, 28489), (7936, 27570), (9190, 23808), (9920, 22056), (11028, 19840), (11904, 18380), (13785, 15872), (14704, 14880)]