256715424

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4391}}^1$

素因数の和:4443

約数の個数: 144

約数和(自身を含む): 863291520

約数和(自身を除く): 606576096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 56, 58, 63, 72, 84, 87, 96, 112, 116, 126, 144, 168, 174, 203, 224, 232, 252, 261, 288, 336, 348, 406, 464, 504, 522, 609, 672, 696, 812, 928, 1008, 1044, 1218, 1392, 1624, 1827, 2016, 2088, 2436, 2784, 3248, 3654, 4176, 4391, 4872, 6496, 7308, 8352, 8782, 9744, 13173, 14616, 17564, 19488, 26346, 29232, 30737, 35128, 39519, 52692, 58464, 61474, 70256, 79038, 92211, 105384, 122948, 127339, 140512, 158076, 184422, 210768, 245896, 254678, 276633, 316152, 368844, 382017, 421536, 491792, 509356, 553266, 632304, 737688, 764034, 891373, 983584, 1018712, 1106532, 1146051, 1264608, 1475376, 1528068, 1782746, 2037424, 2213064, 2292102, 2674119, 2950752, 3056136, 3565492, 4074848, 4426128, 4584204, 5348238, 6112272, 7130984, 8022357, 8852256, 9168408, 10696476, 12224544, 14261968, 16044714, 18336816, 21392952, 28523936, 32089428, 36673632, 42785904, 64178856, 85571808, 128357712, 256715424]

約数ペア:

[(1, 256715424), (2, 128357712), (3, 85571808), (4, 64178856), (6, 42785904), (7, 36673632), (8, 32089428), (9, 28523936), (12, 21392952), (14, 18336816), (16, 16044714), (18, 14261968), (21, 12224544), (24, 10696476), (28, 9168408), (29, 8852256), (32, 8022357), (36, 7130984), (42, 6112272), (48, 5348238), (56, 4584204), (58, 4426128), (63, 4074848), (72, 3565492), (84, 3056136), (87, 2950752), (96, 2674119), (112, 2292102), (116, 2213064), (126, 2037424), (144, 1782746), (168, 1528068), (174, 1475376), (203, 1264608), (224, 1146051), (232, 1106532), (252, 1018712), (261, 983584), (288, 891373), (336, 764034), (348, 737688), (406, 632304), (464, 553266), (504, 509356), (522, 491792), (609, 421536), (672, 382017), (696, 368844), (812, 316152), (928, 276633), (1008, 254678), (1044, 245896), (1218, 210768), (1392, 184422), (1624, 158076), (1827, 140512), (2016, 127339), (2088, 122948), (2436, 105384), (2784, 92211), (3248, 79038), (3654, 70256), (4176, 61474), (4391, 58464), (4872, 52692), (6496, 39519), (7308, 35128), (8352, 30737), (8782, 29232), (9744, 26346), (13173, 19488), (14616, 17564)]