1800781920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{787}}^1$

素因数の和:1042

約数の個数: 288

約数和(自身を含む): 7062951168

約数和(自身を除く): 5262169248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 227, 240, 252, 280, 288, 315, 336, 360, 420, 454, 480, 504, 560, 630, 672, 681, 720, 787, 840, 908, 1008, 1120, 1135, 1260, 1362, 1440, 1574, 1589, 1680, 1816, 2016, 2043, 2270, 2361, 2520, 2724, 3148, 3178, 3360, 3405, 3632, 3935, 4086, 4540, 4722, 4767, 5040, 5448, 5509, 6296, 6356, 6810, 7083, 7264, 7870, 7945, 8172, 9080, 9444, 9534, 10080, 10215, 10896, 11018, 11805, 12592, 12712, 13620, 14166, 14301, 15740, 15890, 16344, 16527, 18160, 18888, 19068, 20430, 21792, 22036, 23610, 23835, 25184, 25424, 27240, 27545, 28332, 28602, 31480, 31780, 32688, 33054, 35415, 36320, 37776, 38136, 40860, 44072, 47220, 47670, 49581, 50848, 54480, 55090, 56664, 57204, 62960, 63560, 65376, 66108, 70830, 71505, 75552, 76272, 81720, 82635, 88144, 94440, 95340, 99162, 108960, 110180, 113328, 114408, 125920, 127120, 132216, 141660, 143010, 152544, 163440, 165270, 176288, 178649, 188880, 190680, 198324, 220360, 226656, 228816, 247905, 254240, 264432, 283320, 286020, 326880, 330540, 357298, 377760, 381360, 396648, 440720, 457632, 495810, 528864, 535947, 566640, 572040, 661080, 714596, 762720, 793296, 881440, 893245, 991620, 1071894, 1133280, 1144080, 1250543, 1322160, 1429192, 1586592, 1607841, 1786490, 1983240, 2143788, 2288160, 2501086, 2644320, 2679735, 2858384, 3215682, 3572980, 3751629, 3966480, 4287576, 5002172, 5359470, 5716768, 6252715, 6431364, 7145960, 7503258, 7932960, 8039205, 8575152, 10004344, 10718940, 11254887, 12505430, 12862728, 14291920, 15006516, 16078410, 17150304, 18758145, 20008688, 21437880, 22509774, 25010860, 25725456, 28583840, 30013032, 32156820, 37516290, 40017376, 42875760, 45019548, 50021720, 51450912, 56274435, 60026064, 64313640, 75032580, 85751520, 90039096, 100043440, 112548870, 120052128, 128627280, 150065160, 180078192, 200086880, 225097740, 257254560, 300130320, 360156384, 450195480, 600260640, 900390960, 1800781920]

約数ペア:

[(1, 1800781920), (2, 900390960), (3, 600260640), (4, 450195480), (5, 360156384), (6, 300130320), (7, 257254560), (8, 225097740), (9, 200086880), (10, 180078192), (12, 150065160), (14, 128627280), (15, 120052128), (16, 112548870), (18, 100043440), (20, 90039096), (21, 85751520), (24, 75032580), (28, 64313640), (30, 60026064), (32, 56274435), (35, 51450912), (36, 50021720), (40, 45019548), (42, 42875760), (45, 40017376), (48, 37516290), (56, 32156820), (60, 30013032), (63, 28583840), (70, 25725456), (72, 25010860), (80, 22509774), (84, 21437880), (90, 20008688), (96, 18758145), (105, 17150304), (112, 16078410), (120, 15006516), (126, 14291920), (140, 12862728), (144, 12505430), (160, 11254887), (168, 10718940), (180, 10004344), (210, 8575152), (224, 8039205), (227, 7932960), (240, 7503258), (252, 7145960), (280, 6431364), (288, 6252715), (315, 5716768), (336, 5359470), (360, 5002172), (420, 4287576), (454, 3966480), (480, 3751629), (504, 3572980), (560, 3215682), (630, 2858384), (672, 2679735), (681, 2644320), (720, 2501086), (787, 2288160), (840, 2143788), (908, 1983240), (1008, 1786490), (1120, 1607841), (1135, 1586592), (1260, 1429192), (1362, 1322160), (1440, 1250543), (1574, 1144080), (1589, 1133280), (1680, 1071894), (1816, 991620), (2016, 893245), (2043, 881440), (2270, 793296), (2361, 762720), (2520, 714596), (2724, 661080), (3148, 572040), (3178, 566640), (3360, 535947), (3405, 528864), (3632, 495810), (3935, 457632), (4086, 440720), (4540, 396648), (4722, 381360), (4767, 377760), (5040, 357298), (5448, 330540), (5509, 326880), (6296, 286020), (6356, 283320), (6810, 264432), (7083, 254240), (7264, 247905), (7870, 228816), (7945, 226656), (8172, 220360), (9080, 198324), (9444, 190680), (9534, 188880), (10080, 178649), (10215, 176288), (10896, 165270), (11018, 163440), (11805, 152544), (12592, 143010), (12712, 141660), (13620, 132216), (14166, 127120), (14301, 125920), (15740, 114408), (15890, 113328), (16344, 110180), (16527, 108960), (18160, 99162), (18888, 95340), (19068, 94440), (20430, 88144), (21792, 82635), (22036, 81720), (23610, 76272), (23835, 75552), (25184, 71505), (25424, 70830), (27240, 66108), (27545, 65376), (28332, 63560), (28602, 62960), (31480, 57204), (31780, 56664), (32688, 55090), (33054, 54480), (35415, 50848), (36320, 49581), (37776, 47670), (38136, 47220), (40860, 44072)]