256842144

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1759}}^1$

素因数の和:1804

約数の個数: 144

約数和(自身を含む): 811641600

約数和(自身を除く): 554799456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 169, 208, 216, 234, 288, 312, 338, 351, 416, 432, 468, 507, 624, 676, 702, 864, 936, 1014, 1248, 1352, 1404, 1521, 1759, 1872, 2028, 2704, 2808, 3042, 3518, 3744, 4056, 4563, 5277, 5408, 5616, 6084, 7036, 8112, 9126, 10554, 11232, 12168, 14072, 15831, 16224, 18252, 21108, 22867, 24336, 28144, 31662, 36504, 42216, 45734, 47493, 48672, 56288, 63324, 68601, 73008, 84432, 91468, 94986, 126648, 137202, 146016, 168864, 182936, 189972, 205803, 253296, 274404, 297271, 365872, 379944, 411606, 506592, 548808, 594542, 617409, 731744, 759888, 823212, 891813, 1097616, 1189084, 1234818, 1519776, 1646424, 1783626, 2195232, 2378168, 2469636, 2675439, 3292848, 3567252, 4756336, 4939272, 5350878, 6585696, 7134504, 8026317, 9512672, 9878544, 10701756, 14269008, 16052634, 19757088, 21403512, 28538016, 32105268, 42807024, 64210536, 85614048, 128421072, 256842144]

約数ペア:

[(1, 256842144), (2, 128421072), (3, 85614048), (4, 64210536), (6, 42807024), (8, 32105268), (9, 28538016), (12, 21403512), (13, 19757088), (16, 16052634), (18, 14269008), (24, 10701756), (26, 9878544), (27, 9512672), (32, 8026317), (36, 7134504), (39, 6585696), (48, 5350878), (52, 4939272), (54, 4756336), (72, 3567252), (78, 3292848), (96, 2675439), (104, 2469636), (108, 2378168), (117, 2195232), (144, 1783626), (156, 1646424), (169, 1519776), (208, 1234818), (216, 1189084), (234, 1097616), (288, 891813), (312, 823212), (338, 759888), (351, 731744), (416, 617409), (432, 594542), (468, 548808), (507, 506592), (624, 411606), (676, 379944), (702, 365872), (864, 297271), (936, 274404), (1014, 253296), (1248, 205803), (1352, 189972), (1404, 182936), (1521, 168864), (1759, 146016), (1872, 137202), (2028, 126648), (2704, 94986), (2808, 91468), (3042, 84432), (3518, 73008), (3744, 68601), (4056, 63324), (4563, 56288), (5277, 48672), (5408, 47493), (5616, 45734), (6084, 42216), (7036, 36504), (8112, 31662), (9126, 28144), (10554, 24336), (11232, 22867), (12168, 21108), (14072, 18252), (15831, 16224)]