256640691924

素因数分解:

$2^2\times 3^4\times {\mathrm{59}}^1\times {\mathrm{691}}^1\times {\mathrm{19429}}^1$

素因数の和:20195

約数の個数: 120

約数和(自身を含む): 683303359200

約数和(自身を除く): 426662667276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 81, 108, 118, 162, 177, 236, 324, 354, 531, 691, 708, 1062, 1382, 1593, 2073, 2124, 2764, 3186, 4146, 4779, 6219, 6372, 8292, 9558, 12438, 18657, 19116, 19429, 24876, 37314, 38858, 40769, 55971, 58287, 74628, 77716, 81538, 111942, 116574, 122307, 163076, 174861, 223884, 233148, 244614, 349722, 366921, 489228, 524583, 699444, 733842, 1049166, 1100763, 1146311, 1467684, 1573749, 2098332, 2201526, 2292622, 3147498, 3302289, 3438933, 4403052, 4585244, 6294996, 6604578, 6877866, 10316799, 13209156, 13425439, 13755732, 20633598, 26850878, 30950397, 40276317, 41267196, 53701756, 61900794, 80552634, 92851191, 120828951, 123801588, 161105268, 185702382, 241657902, 362486853, 371404764, 483315804, 724973706, 792100901, 1087460559, 1449947412, 1584201802, 2174921118, 2376302703, 3168403604, 4349842236, 4752605406, 7128908109, 9505210812, 14257816218, 21386724327, 28515632436, 42773448654, 64160172981, 85546897308, 128320345962, 256640691924]

約数ペア:

[(1, 256640691924), (2, 128320345962), (3, 85546897308), (4, 64160172981), (6, 42773448654), (9, 28515632436), (12, 21386724327), (18, 14257816218), (27, 9505210812), (36, 7128908109), (54, 4752605406), (59, 4349842236), (81, 3168403604), (108, 2376302703), (118, 2174921118), (162, 1584201802), (177, 1449947412), (236, 1087460559), (324, 792100901), (354, 724973706), (531, 483315804), (691, 371404764), (708, 362486853), (1062, 241657902), (1382, 185702382), (1593, 161105268), (2073, 123801588), (2124, 120828951), (2764, 92851191), (3186, 80552634), (4146, 61900794), (4779, 53701756), (6219, 41267196), (6372, 40276317), (8292, 30950397), (9558, 26850878), (12438, 20633598), (18657, 13755732), (19116, 13425439), (19429, 13209156), (24876, 10316799), (37314, 6877866), (38858, 6604578), (40769, 6294996), (55971, 4585244), (58287, 4403052), (74628, 3438933), (77716, 3302289), (81538, 3147498), (111942, 2292622), (116574, 2201526), (122307, 2098332), (163076, 1573749), (174861, 1467684), (223884, 1146311), (233148, 1100763), (244614, 1049166), (349722, 733842), (366921, 699444), (489228, 524583)]