320358168

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 978279120

約数和(自身を除く): 657920952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 184, 207, 234, 276, 299, 312, 414, 468, 529, 552, 598, 647, 828, 897, 936, 1058, 1196, 1294, 1587, 1656, 1794, 1941, 2116, 2392, 2588, 2691, 3174, 3588, 3882, 4232, 4761, 5176, 5382, 5823, 6348, 6877, 7176, 7764, 8411, 9522, 10764, 11646, 12696, 13754, 14881, 15528, 16822, 19044, 20631, 21528, 23292, 25233, 27508, 29762, 33644, 38088, 41262, 44643, 46584, 50466, 55016, 59524, 61893, 67288, 75699, 82524, 89286, 100932, 119048, 123786, 133929, 151398, 165048, 178572, 193453, 201864, 247572, 267858, 302796, 342263, 357144, 386906, 495144, 535716, 580359, 605592, 684526, 773812, 1026789, 1071432, 1160718, 1369052, 1547624, 1741077, 2053578, 2321436, 2738104, 3080367, 3482154, 4107156, 4449419, 4642872, 6160734, 6964308, 8214312, 8898838, 12321468, 13348257, 13928616, 17797676, 24642936, 26696514, 35595352, 40044771, 53393028, 80089542, 106786056, 160179084, 320358168]

約数ペア:

[(1, 320358168), (2, 160179084), (3, 106786056), (4, 80089542), (6, 53393028), (8, 40044771), (9, 35595352), (12, 26696514), (13, 24642936), (18, 17797676), (23, 13928616), (24, 13348257), (26, 12321468), (36, 8898838), (39, 8214312), (46, 6964308), (52, 6160734), (69, 4642872), (72, 4449419), (78, 4107156), (92, 3482154), (104, 3080367), (117, 2738104), (138, 2321436), (156, 2053578), (184, 1741077), (207, 1547624), (234, 1369052), (276, 1160718), (299, 1071432), (312, 1026789), (414, 773812), (468, 684526), (529, 605592), (552, 580359), (598, 535716), (647, 495144), (828, 386906), (897, 357144), (936, 342263), (1058, 302796), (1196, 267858), (1294, 247572), (1587, 201864), (1656, 193453), (1794, 178572), (1941, 165048), (2116, 151398), (2392, 133929), (2588, 123786), (2691, 119048), (3174, 100932), (3588, 89286), (3882, 82524), (4232, 75699), (4761, 67288), (5176, 61893), (5382, 59524), (5823, 55016), (6348, 50466), (6877, 46584), (7176, 44643), (7764, 41262), (8411, 38088), (9522, 33644), (10764, 29762), (11646, 27508), (12696, 25233), (13754, 23292), (14881, 21528), (15528, 20631), (16822, 19044)]