257434128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 240

約数和(自身を含む): 887193216

約数和(自身を除く): 629759088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 51, 56, 63, 68, 72, 83, 84, 102, 112, 119, 126, 136, 144, 153, 166, 168, 181, 204, 238, 249, 252, 272, 306, 332, 336, 357, 362, 408, 476, 498, 504, 543, 581, 612, 664, 714, 724, 747, 816, 952, 996, 1008, 1071, 1086, 1162, 1224, 1267, 1328, 1411, 1428, 1448, 1494, 1629, 1743, 1904, 1992, 2142, 2172, 2324, 2448, 2534, 2822, 2856, 2896, 2988, 3077, 3258, 3486, 3801, 3984, 4233, 4284, 4344, 4648, 5068, 5229, 5644, 5712, 5976, 6154, 6516, 6972, 7602, 8466, 8568, 8688, 9231, 9296, 9877, 10136, 10458, 11288, 11403, 11952, 12308, 12699, 13032, 13944, 15023, 15204, 16932, 17136, 18462, 19754, 20272, 20916, 21539, 22576, 22806, 24616, 25398, 26064, 27693, 27888, 29631, 30046, 30408, 33864, 36924, 39508, 41832, 43078, 45069, 45612, 49232, 50796, 55386, 59262, 60092, 60816, 64617, 67728, 73848, 79016, 83664, 86156, 88893, 90138, 91224, 101592, 105161, 110772, 118524, 120184, 129234, 135207, 147696, 158032, 172312, 177786, 180276, 182448, 193851, 203184, 210322, 221544, 237048, 240368, 255391, 258468, 270414, 315483, 344624, 355572, 360552, 387702, 420644, 443088, 474096, 510782, 516936, 540828, 630966, 711144, 721104, 766173, 775404, 841288, 946449, 1021564, 1033872, 1081656, 1261932, 1422288, 1532346, 1550808, 1682576, 1787737, 1892898, 2043128, 2163312, 2298519, 2523864, 3064692, 3101616, 3575474, 3785796, 4086256, 4597038, 5047728, 5363211, 6129384, 7150948, 7571592, 9194076, 10726422, 12258768, 14301896, 15143184, 16089633, 18388152, 21452844, 28603792, 32179266, 36776304, 42905688, 64358532, 85811376, 128717064, 257434128]

約数ペア:

[(1, 257434128), (2, 128717064), (3, 85811376), (4, 64358532), (6, 42905688), (7, 36776304), (8, 32179266), (9, 28603792), (12, 21452844), (14, 18388152), (16, 16089633), (17, 15143184), (18, 14301896), (21, 12258768), (24, 10726422), (28, 9194076), (34, 7571592), (36, 7150948), (42, 6129384), (48, 5363211), (51, 5047728), (56, 4597038), (63, 4086256), (68, 3785796), (72, 3575474), (83, 3101616), (84, 3064692), (102, 2523864), (112, 2298519), (119, 2163312), (126, 2043128), (136, 1892898), (144, 1787737), (153, 1682576), (166, 1550808), (168, 1532346), (181, 1422288), (204, 1261932), (238, 1081656), (249, 1033872), (252, 1021564), (272, 946449), (306, 841288), (332, 775404), (336, 766173), (357, 721104), (362, 711144), (408, 630966), (476, 540828), (498, 516936), (504, 510782), (543, 474096), (581, 443088), (612, 420644), (664, 387702), (714, 360552), (724, 355572), (747, 344624), (816, 315483), (952, 270414), (996, 258468), (1008, 255391), (1071, 240368), (1086, 237048), (1162, 221544), (1224, 210322), (1267, 203184), (1328, 193851), (1411, 182448), (1428, 180276), (1448, 177786), (1494, 172312), (1629, 158032), (1743, 147696), (1904, 135207), (1992, 129234), (2142, 120184), (2172, 118524), (2324, 110772), (2448, 105161), (2534, 101592), (2822, 91224), (2856, 90138), (2896, 88893), (2988, 86156), (3077, 83664), (3258, 79016), (3486, 73848), (3801, 67728), (3984, 64617), (4233, 60816), (4284, 60092), (4344, 59262), (4648, 55386), (5068, 50796), (5229, 49232), (5644, 45612), (5712, 45069), (5976, 43078), (6154, 41832), (6516, 39508), (6972, 36924), (7602, 33864), (8466, 30408), (8568, 30046), (8688, 29631), (9231, 27888), (9296, 27693), (9877, 26064), (10136, 25398), (10458, 24616), (11288, 22806), (11403, 22576), (11952, 21539), (12308, 20916), (12699, 20272), (13032, 19754), (13944, 18462), (15023, 17136), (15204, 16932)]