256842768

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:621

約数の個数: 160

約数和(自身を含む): 824836096

約数和(自身を除く): 567993328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 127, 156, 168, 182, 208, 254, 273, 312, 336, 364, 381, 463, 508, 546, 624, 728, 762, 889, 926, 1016, 1092, 1389, 1456, 1524, 1651, 1778, 1852, 2032, 2184, 2667, 2778, 3048, 3241, 3302, 3556, 3704, 4368, 4953, 5334, 5556, 6019, 6096, 6482, 6604, 7112, 7408, 9723, 9906, 10668, 11112, 11557, 12038, 12964, 13208, 14224, 18057, 19446, 19812, 21336, 22224, 23114, 24076, 25928, 26416, 34671, 36114, 38892, 39624, 42133, 42672, 46228, 48152, 51856, 58801, 69342, 72228, 77784, 79248, 84266, 92456, 96304, 117602, 126399, 138684, 144456, 155568, 168532, 176403, 184912, 235204, 252798, 277368, 288912, 337064, 352806, 411607, 470408, 505596, 554736, 674128, 705612, 764413, 823214, 940816, 1011192, 1234821, 1411224, 1528826, 1646428, 2022384, 2293239, 2469642, 2822448, 3057652, 3292856, 4586478, 4939284, 5350891, 6115304, 6585712, 9172956, 9878568, 10701782, 12230608, 16052673, 18345912, 19757136, 21403564, 32105346, 36691824, 42807128, 64210692, 85614256, 128421384, 256842768]

約数ペア:

[(1, 256842768), (2, 128421384), (3, 85614256), (4, 64210692), (6, 42807128), (7, 36691824), (8, 32105346), (12, 21403564), (13, 19757136), (14, 18345912), (16, 16052673), (21, 12230608), (24, 10701782), (26, 9878568), (28, 9172956), (39, 6585712), (42, 6115304), (48, 5350891), (52, 4939284), (56, 4586478), (78, 3292856), (84, 3057652), (91, 2822448), (104, 2469642), (112, 2293239), (127, 2022384), (156, 1646428), (168, 1528826), (182, 1411224), (208, 1234821), (254, 1011192), (273, 940816), (312, 823214), (336, 764413), (364, 705612), (381, 674128), (463, 554736), (508, 505596), (546, 470408), (624, 411607), (728, 352806), (762, 337064), (889, 288912), (926, 277368), (1016, 252798), (1092, 235204), (1389, 184912), (1456, 176403), (1524, 168532), (1651, 155568), (1778, 144456), (1852, 138684), (2032, 126399), (2184, 117602), (2667, 96304), (2778, 92456), (3048, 84266), (3241, 79248), (3302, 77784), (3556, 72228), (3704, 69342), (4368, 58801), (4953, 51856), (5334, 48152), (5556, 46228), (6019, 42672), (6096, 42133), (6482, 39624), (6604, 38892), (7112, 36114), (7408, 34671), (9723, 26416), (9906, 25928), (10668, 24076), (11112, 23114), (11557, 22224), (12038, 21336), (12964, 19812), (13208, 19446), (14224, 18057)]