256720176

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:615

約数の個数: 120

約数和(自身を含む): 748999680

約数和(自身を除く): 492279504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 131, 144, 186, 248, 262, 279, 372, 393, 439, 496, 524, 558, 744, 786, 878, 1048, 1116, 1179, 1317, 1488, 1572, 1756, 2096, 2232, 2358, 2634, 3144, 3512, 3951, 4061, 4464, 4716, 5268, 6288, 7024, 7902, 8122, 9432, 10536, 12183, 13609, 15804, 16244, 18864, 21072, 24366, 27218, 31608, 32488, 36549, 40827, 48732, 54436, 57509, 63216, 64976, 73098, 81654, 97464, 108872, 115018, 122481, 146196, 163308, 172527, 194928, 217744, 230036, 244962, 292392, 326616, 345054, 460072, 489924, 517581, 584784, 653232, 690108, 920144, 979848, 1035162, 1380216, 1782779, 1959696, 2070324, 2760432, 3565558, 4140648, 5348337, 7131116, 8281296, 10696674, 14262232, 16045011, 21393348, 28524464, 32090022, 42786696, 64180044, 85573392, 128360088, 256720176]

約数ペア:

[(1, 256720176), (2, 128360088), (3, 85573392), (4, 64180044), (6, 42786696), (8, 32090022), (9, 28524464), (12, 21393348), (16, 16045011), (18, 14262232), (24, 10696674), (31, 8281296), (36, 7131116), (48, 5348337), (62, 4140648), (72, 3565558), (93, 2760432), (124, 2070324), (131, 1959696), (144, 1782779), (186, 1380216), (248, 1035162), (262, 979848), (279, 920144), (372, 690108), (393, 653232), (439, 584784), (496, 517581), (524, 489924), (558, 460072), (744, 345054), (786, 326616), (878, 292392), (1048, 244962), (1116, 230036), (1179, 217744), (1317, 194928), (1488, 172527), (1572, 163308), (1756, 146196), (2096, 122481), (2232, 115018), (2358, 108872), (2634, 97464), (3144, 81654), (3512, 73098), (3951, 64976), (4061, 63216), (4464, 57509), (4716, 54436), (5268, 48732), (6288, 40827), (7024, 36549), (7902, 32488), (8122, 31608), (9432, 27218), (10536, 24366), (12183, 21072), (13609, 18864), (15804, 16244)]