217458560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 256

約数和(自身を含む): 634521600

約数和(自身を除く): 417063040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 32, 34, 40, 44, 46, 55, 64, 68, 79, 80, 85, 88, 92, 110, 115, 128, 136, 158, 160, 170, 176, 184, 187, 220, 230, 253, 272, 316, 320, 340, 352, 368, 374, 391, 395, 440, 460, 506, 544, 632, 640, 680, 704, 736, 748, 782, 790, 869, 880, 920, 935, 1012, 1088, 1264, 1265, 1343, 1360, 1408, 1472, 1496, 1564, 1580, 1738, 1760, 1817, 1840, 1870, 1955, 2024, 2176, 2528, 2530, 2686, 2720, 2944, 2992, 3128, 3160, 3476, 3520, 3634, 3680, 3740, 3910, 4048, 4301, 4345, 5056, 5060, 5372, 5440, 5984, 6256, 6320, 6715, 6952, 7040, 7268, 7360, 7480, 7820, 8096, 8602, 8690, 9085, 10112, 10120, 10744, 10880, 11968, 12512, 12640, 13430, 13904, 14536, 14720, 14773, 14960, 15640, 16192, 17204, 17380, 18170, 19987, 20240, 21488, 21505, 23936, 25024, 25280, 26860, 27808, 29072, 29546, 29920, 30889, 31280, 32384, 34408, 34760, 36340, 39974, 40480, 42976, 43010, 50048, 50560, 53720, 55616, 58144, 59092, 59840, 61778, 62560, 68816, 69520, 72680, 73865, 79948, 80960, 85952, 86020, 99935, 107440, 111232, 116288, 118184, 119680, 123556, 125120, 137632, 139040, 145360, 147730, 154445, 159896, 161920, 171904, 172040, 199870, 214880, 232576, 236368, 247112, 250240, 275264, 278080, 290720, 295460, 308890, 319792, 339779, 344080, 399740, 429760, 472736, 494224, 550528, 556160, 581440, 590920, 617780, 639584, 679558, 688160, 799480, 859520, 945472, 988448, 1162880, 1181840, 1235560, 1279168, 1359116, 1376320, 1598960, 1698895, 1890944, 1976896, 2363680, 2471120, 2558336, 2718232, 2752640, 3197920, 3397790, 3953792, 4727360, 4942240, 5436464, 6395840, 6795580, 9454720, 9884480, 10872928, 12791680, 13591160, 19768960, 21745856, 27182320, 43491712, 54364640, 108729280, 217458560]

約数ペア:

[(1, 217458560), (2, 108729280), (4, 54364640), (5, 43491712), (8, 27182320), (10, 21745856), (11, 19768960), (16, 13591160), (17, 12791680), (20, 10872928), (22, 9884480), (23, 9454720), (32, 6795580), (34, 6395840), (40, 5436464), (44, 4942240), (46, 4727360), (55, 3953792), (64, 3397790), (68, 3197920), (79, 2752640), (80, 2718232), (85, 2558336), (88, 2471120), (92, 2363680), (110, 1976896), (115, 1890944), (128, 1698895), (136, 1598960), (158, 1376320), (160, 1359116), (170, 1279168), (176, 1235560), (184, 1181840), (187, 1162880), (220, 988448), (230, 945472), (253, 859520), (272, 799480), (316, 688160), (320, 679558), (340, 639584), (352, 617780), (368, 590920), (374, 581440), (391, 556160), (395, 550528), (440, 494224), (460, 472736), (506, 429760), (544, 399740), (632, 344080), (640, 339779), (680, 319792), (704, 308890), (736, 295460), (748, 290720), (782, 278080), (790, 275264), (869, 250240), (880, 247112), (920, 236368), (935, 232576), (1012, 214880), (1088, 199870), (1264, 172040), (1265, 171904), (1343, 161920), (1360, 159896), (1408, 154445), (1472, 147730), (1496, 145360), (1564, 139040), (1580, 137632), (1738, 125120), (1760, 123556), (1817, 119680), (1840, 118184), (1870, 116288), (1955, 111232), (2024, 107440), (2176, 99935), (2528, 86020), (2530, 85952), (2686, 80960), (2720, 79948), (2944, 73865), (2992, 72680), (3128, 69520), (3160, 68816), (3476, 62560), (3520, 61778), (3634, 59840), (3680, 59092), (3740, 58144), (3910, 55616), (4048, 53720), (4301, 50560), (4345, 50048), (5056, 43010), (5060, 42976), (5372, 40480), (5440, 39974), (5984, 36340), (6256, 34760), (6320, 34408), (6715, 32384), (6952, 31280), (7040, 30889), (7268, 29920), (7360, 29546), (7480, 29072), (7820, 27808), (8096, 26860), (8602, 25280), (8690, 25024), (9085, 23936), (10112, 21505), (10120, 21488), (10744, 20240), (10880, 19987), (11968, 18170), (12512, 17380), (12640, 17204), (13430, 16192), (13904, 15640), (14536, 14960), (14720, 14773)]