1856351520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:885

約数の個数: 240

約数和(自身を含む): 6590662848

約数和(自身を除く): 4734311328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 227, 240, 270, 288, 324, 360, 405, 432, 454, 480, 540, 631, 648, 681, 720, 810, 864, 908, 1080, 1135, 1262, 1296, 1362, 1440, 1620, 1816, 1893, 2043, 2160, 2270, 2524, 2592, 2724, 3155, 3240, 3405, 3632, 3786, 4086, 4320, 4540, 5048, 5448, 5679, 6129, 6310, 6480, 6810, 7264, 7572, 8172, 9080, 9465, 10096, 10215, 10896, 11358, 12258, 12620, 12960, 13620, 15144, 16344, 17037, 18160, 18387, 18930, 20192, 20430, 21792, 22716, 24516, 25240, 27240, 28395, 30288, 30645, 32688, 34074, 36320, 36774, 37860, 40860, 45432, 49032, 50480, 51111, 54480, 56790, 60576, 61290, 65376, 68148, 73548, 75720, 81720, 85185, 90864, 91935, 98064, 100960, 102222, 108960, 113580, 122580, 136296, 143237, 147096, 151440, 163440, 170370, 181728, 183870, 196128, 204444, 227160, 245160, 255555, 272592, 286474, 294192, 302880, 326880, 340740, 367740, 408888, 429711, 454320, 490320, 511110, 545184, 572948, 588384, 681480, 716185, 735480, 817776, 859422, 908640, 980640, 1022220, 1145896, 1289133, 1362960, 1432370, 1470960, 1635552, 1718844, 2044440, 2148555, 2291792, 2578266, 2725920, 2864740, 2941920, 3437688, 3867399, 4088880, 4297110, 4583584, 5156532, 5729480, 6445665, 6875376, 7734798, 8177760, 8594220, 10313064, 11458960, 11602197, 12891330, 13750752, 15469596, 17188440, 19336995, 20626128, 22917920, 23204394, 25782660, 30939192, 34376880, 38673990, 41252256, 46408788, 51565320, 58010985, 61878384, 68753760, 77347980, 92817576, 103130640, 116021970, 123756768, 154695960, 185635152, 206261280, 232043940, 309391920, 371270304, 464087880, 618783840, 928175760, 1856351520]

約数ペア:

[(1, 1856351520), (2, 928175760), (3, 618783840), (4, 464087880), (5, 371270304), (6, 309391920), (8, 232043940), (9, 206261280), (10, 185635152), (12, 154695960), (15, 123756768), (16, 116021970), (18, 103130640), (20, 92817576), (24, 77347980), (27, 68753760), (30, 61878384), (32, 58010985), (36, 51565320), (40, 46408788), (45, 41252256), (48, 38673990), (54, 34376880), (60, 30939192), (72, 25782660), (80, 23204394), (81, 22917920), (90, 20626128), (96, 19336995), (108, 17188440), (120, 15469596), (135, 13750752), (144, 12891330), (160, 11602197), (162, 11458960), (180, 10313064), (216, 8594220), (227, 8177760), (240, 7734798), (270, 6875376), (288, 6445665), (324, 5729480), (360, 5156532), (405, 4583584), (432, 4297110), (454, 4088880), (480, 3867399), (540, 3437688), (631, 2941920), (648, 2864740), (681, 2725920), (720, 2578266), (810, 2291792), (864, 2148555), (908, 2044440), (1080, 1718844), (1135, 1635552), (1262, 1470960), (1296, 1432370), (1362, 1362960), (1440, 1289133), (1620, 1145896), (1816, 1022220), (1893, 980640), (2043, 908640), (2160, 859422), (2270, 817776), (2524, 735480), (2592, 716185), (2724, 681480), (3155, 588384), (3240, 572948), (3405, 545184), (3632, 511110), (3786, 490320), (4086, 454320), (4320, 429711), (4540, 408888), (5048, 367740), (5448, 340740), (5679, 326880), (6129, 302880), (6310, 294192), (6480, 286474), (6810, 272592), (7264, 255555), (7572, 245160), (8172, 227160), (9080, 204444), (9465, 196128), (10096, 183870), (10215, 181728), (10896, 170370), (11358, 163440), (12258, 151440), (12620, 147096), (12960, 143237), (13620, 136296), (15144, 122580), (16344, 113580), (17037, 108960), (18160, 102222), (18387, 100960), (18930, 98064), (20192, 91935), (20430, 90864), (21792, 85185), (22716, 81720), (24516, 75720), (25240, 73548), (27240, 68148), (28395, 65376), (30288, 61290), (30645, 60576), (32688, 56790), (34074, 54480), (36320, 51111), (36774, 50480), (37860, 49032), (40860, 45432)]