18775680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 256

約数和(自身を含む): 75202560

約数和(自身を除く): 56426880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 127, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 254, 264, 280, 308, 320, 330, 336, 352, 381, 384, 385, 420, 440, 448, 462, 480, 508, 528, 560, 616, 635, 640, 660, 672, 704, 762, 770, 840, 880, 889, 896, 924, 960, 1016, 1056, 1120, 1155, 1232, 1270, 1320, 1344, 1397, 1408, 1524, 1540, 1680, 1760, 1778, 1848, 1905, 1920, 2032, 2112, 2240, 2310, 2464, 2540, 2640, 2667, 2688, 2794, 3048, 3080, 3360, 3520, 3556, 3696, 3810, 4064, 4191, 4224, 4445, 4480, 4620, 4928, 5080, 5280, 5334, 5588, 6096, 6160, 6720, 6985, 7040, 7112, 7392, 7620, 8128, 8382, 8890, 9240, 9779, 9856, 10160, 10560, 10668, 11176, 12192, 12320, 13335, 13440, 13970, 14224, 14784, 15240, 16256, 16764, 17780, 18480, 19558, 20320, 20955, 21120, 21336, 22352, 24384, 24640, 26670, 27940, 28448, 29337, 29568, 30480, 33528, 35560, 36960, 39116, 40640, 41910, 42672, 44704, 48768, 48895, 49280, 53340, 55880, 56896, 58674, 60960, 67056, 71120, 73920, 78232, 81280, 83820, 85344, 89408, 97790, 106680, 111760, 113792, 117348, 121920, 134112, 142240, 146685, 147840, 156464, 167640, 170688, 178816, 195580, 213360, 223520, 234696, 243840, 268224, 284480, 293370, 312928, 335280, 341376, 391160, 426720, 447040, 469392, 536448, 568960, 586740, 625856, 670560, 782320, 853440, 894080, 938784, 1173480, 1251712, 1341120, 1564640, 1706880, 1877568, 2346960, 2682240, 3129280, 3755136, 4693920, 6258560, 9387840, 18775680]

約数ペア:

[(1, 18775680), (2, 9387840), (3, 6258560), (4, 4693920), (5, 3755136), (6, 3129280), (7, 2682240), (8, 2346960), (10, 1877568), (11, 1706880), (12, 1564640), (14, 1341120), (15, 1251712), (16, 1173480), (20, 938784), (21, 894080), (22, 853440), (24, 782320), (28, 670560), (30, 625856), (32, 586740), (33, 568960), (35, 536448), (40, 469392), (42, 447040), (44, 426720), (48, 391160), (55, 341376), (56, 335280), (60, 312928), (64, 293370), (66, 284480), (70, 268224), (77, 243840), (80, 234696), (84, 223520), (88, 213360), (96, 195580), (105, 178816), (110, 170688), (112, 167640), (120, 156464), (127, 147840), (128, 146685), (132, 142240), (140, 134112), (154, 121920), (160, 117348), (165, 113792), (168, 111760), (176, 106680), (192, 97790), (210, 89408), (220, 85344), (224, 83820), (231, 81280), (240, 78232), (254, 73920), (264, 71120), (280, 67056), (308, 60960), (320, 58674), (330, 56896), (336, 55880), (352, 53340), (381, 49280), (384, 48895), (385, 48768), (420, 44704), (440, 42672), (448, 41910), (462, 40640), (480, 39116), (508, 36960), (528, 35560), (560, 33528), (616, 30480), (635, 29568), (640, 29337), (660, 28448), (672, 27940), (704, 26670), (762, 24640), (770, 24384), (840, 22352), (880, 21336), (889, 21120), (896, 20955), (924, 20320), (960, 19558), (1016, 18480), (1056, 17780), (1120, 16764), (1155, 16256), (1232, 15240), (1270, 14784), (1320, 14224), (1344, 13970), (1397, 13440), (1408, 13335), (1524, 12320), (1540, 12192), (1680, 11176), (1760, 10668), (1778, 10560), (1848, 10160), (1905, 9856), (1920, 9779), (2032, 9240), (2112, 8890), (2240, 8382), (2310, 8128), (2464, 7620), (2540, 7392), (2640, 7112), (2667, 7040), (2688, 6985), (2794, 6720), (3048, 6160), (3080, 6096), (3360, 5588), (3520, 5334), (3556, 5280), (3696, 5080), (3810, 4928), (4064, 4620), (4191, 4480), (4224, 4445)]