640023564816

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{331}}^1\times {\mathrm{123191}}^1$

素因数の和:123645

約数の個数: 120

約数和(自身を含む): 1813085651520

約数和(自身を除く): 1173062086704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 331, 436, 654, 662, 872, 981, 993, 1308, 1324, 1744, 1962, 1986, 2616, 2648, 2979, 3924, 3972, 5232, 5296, 5958, 7848, 7944, 11916, 15696, 15888, 23832, 36079, 47664, 72158, 108237, 123191, 144316, 216474, 246382, 288632, 324711, 369573, 432948, 492764, 577264, 649422, 739146, 865896, 985528, 1108719, 1298844, 1478292, 1731792, 1971056, 2217438, 2597688, 2956584, 4434876, 5195376, 5913168, 8869752, 13427819, 17739504, 26855638, 40283457, 40776221, 53711276, 80566914, 81552442, 107422552, 120850371, 122328663, 161133828, 163104884, 214845104, 241700742, 244657326, 322267656, 326209768, 366985989, 483401484, 489314652, 644535312, 652419536, 733971978, 966802968, 978629304, 1467943956, 1933605936, 1957258608, 2935887912, 4444608089, 5871775824, 8889216178, 13333824267, 17778432356, 26667648534, 35556864712, 40001472801, 53335297068, 71113729424, 80002945602, 106670594136, 160005891204, 213341188272, 320011782408, 640023564816]

約数ペア:

[(1, 640023564816), (2, 320011782408), (3, 213341188272), (4, 160005891204), (6, 106670594136), (8, 80002945602), (9, 71113729424), (12, 53335297068), (16, 40001472801), (18, 35556864712), (24, 26667648534), (36, 17778432356), (48, 13333824267), (72, 8889216178), (109, 5871775824), (144, 4444608089), (218, 2935887912), (327, 1957258608), (331, 1933605936), (436, 1467943956), (654, 978629304), (662, 966802968), (872, 733971978), (981, 652419536), (993, 644535312), (1308, 489314652), (1324, 483401484), (1744, 366985989), (1962, 326209768), (1986, 322267656), (2616, 244657326), (2648, 241700742), (2979, 214845104), (3924, 163104884), (3972, 161133828), (5232, 122328663), (5296, 120850371), (5958, 107422552), (7848, 81552442), (7944, 80566914), (11916, 53711276), (15696, 40776221), (15888, 40283457), (23832, 26855638), (36079, 17739504), (47664, 13427819), (72158, 8869752), (108237, 5913168), (123191, 5195376), (144316, 4434876), (216474, 2956584), (246382, 2597688), (288632, 2217438), (324711, 1971056), (369573, 1731792), (432948, 1478292), (492764, 1298844), (577264, 1108719), (649422, 985528), (739146, 865896)]