420720048

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 240

約数和(自身を含む): 1448240640

約数和(自身を除く): 1027520592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 54, 56, 63, 69, 72, 84, 92, 108, 112, 126, 138, 144, 161, 168, 184, 189, 207, 216, 252, 263, 276, 322, 336, 368, 378, 414, 432, 483, 504, 526, 529, 552, 621, 644, 756, 789, 828, 966, 1008, 1052, 1058, 1104, 1242, 1288, 1449, 1512, 1578, 1587, 1656, 1841, 1932, 2104, 2116, 2367, 2484, 2576, 2898, 3024, 3156, 3174, 3312, 3682, 3703, 3864, 4208, 4232, 4347, 4734, 4761, 4968, 5523, 5796, 6049, 6312, 6348, 7101, 7364, 7406, 7728, 8464, 8694, 9468, 9522, 9936, 11046, 11109, 11592, 12098, 12624, 12696, 14202, 14283, 14728, 14812, 16569, 17388, 18147, 18936, 19044, 22092, 22218, 23184, 24196, 25392, 28404, 28566, 29456, 29624, 33138, 33327, 34776, 36294, 37872, 38088, 42343, 44184, 44436, 48392, 49707, 54441, 56808, 57132, 59248, 66276, 66654, 69552, 72588, 76176, 84686, 88368, 88872, 96784, 99414, 99981, 108882, 113616, 114264, 127029, 132552, 133308, 139127, 145176, 163323, 169372, 177744, 198828, 199962, 217764, 228528, 254058, 265104, 266616, 278254, 290352, 326646, 338744, 381087, 397656, 399924, 417381, 435528, 508116, 533232, 556508, 653292, 677488, 762174, 795312, 799848, 834762, 871056, 973889, 1016232, 1113016, 1143261, 1252143, 1306584, 1524348, 1599696, 1669524, 1947778, 2032464, 2226032, 2286522, 2504286, 2613168, 2921667, 3048696, 3339048, 3756429, 3895556, 4573044, 5008572, 5843334, 6097392, 6678096, 7512858, 7791112, 8765001, 9146088, 10017144, 11686668, 15025716, 15582224, 17530002, 18292176, 20034288, 23373336, 26295003, 30051432, 35060004, 46746672, 52590006, 60102864, 70120008, 105180012, 140240016, 210360024, 420720048]

約数ペア:

[(1, 420720048), (2, 210360024), (3, 140240016), (4, 105180012), (6, 70120008), (7, 60102864), (8, 52590006), (9, 46746672), (12, 35060004), (14, 30051432), (16, 26295003), (18, 23373336), (21, 20034288), (23, 18292176), (24, 17530002), (27, 15582224), (28, 15025716), (36, 11686668), (42, 10017144), (46, 9146088), (48, 8765001), (54, 7791112), (56, 7512858), (63, 6678096), (69, 6097392), (72, 5843334), (84, 5008572), (92, 4573044), (108, 3895556), (112, 3756429), (126, 3339048), (138, 3048696), (144, 2921667), (161, 2613168), (168, 2504286), (184, 2286522), (189, 2226032), (207, 2032464), (216, 1947778), (252, 1669524), (263, 1599696), (276, 1524348), (322, 1306584), (336, 1252143), (368, 1143261), (378, 1113016), (414, 1016232), (432, 973889), (483, 871056), (504, 834762), (526, 799848), (529, 795312), (552, 762174), (621, 677488), (644, 653292), (756, 556508), (789, 533232), (828, 508116), (966, 435528), (1008, 417381), (1052, 399924), (1058, 397656), (1104, 381087), (1242, 338744), (1288, 326646), (1449, 290352), (1512, 278254), (1578, 266616), (1587, 265104), (1656, 254058), (1841, 228528), (1932, 217764), (2104, 199962), (2116, 198828), (2367, 177744), (2484, 169372), (2576, 163323), (2898, 145176), (3024, 139127), (3156, 133308), (3174, 132552), (3312, 127029), (3682, 114264), (3703, 113616), (3864, 108882), (4208, 99981), (4232, 99414), (4347, 96784), (4734, 88872), (4761, 88368), (4968, 84686), (5523, 76176), (5796, 72588), (6049, 69552), (6312, 66654), (6348, 66276), (7101, 59248), (7364, 57132), (7406, 56808), (7728, 54441), (8464, 49707), (8694, 48392), (9468, 44436), (9522, 44184), (9936, 42343), (11046, 38088), (11109, 37872), (11592, 36294), (12098, 34776), (12624, 33327), (12696, 33138), (14202, 29624), (14283, 29456), (14728, 28566), (14812, 28404), (16569, 25392), (17388, 24196), (18147, 23184), (18936, 22218), (19044, 22092)]