21671175840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1\times {\mathrm{661}}^1$

素因数の和:1255

約数の個数: 192

約数和(自身を含む): 68945022720

約数和(自身を除く): 47273846880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 167, 240, 334, 409, 480, 501, 661, 668, 818, 835, 1002, 1227, 1322, 1336, 1636, 1670, 1983, 2004, 2045, 2454, 2505, 2644, 2672, 3272, 3305, 3340, 3966, 4008, 4090, 4908, 5010, 5288, 5344, 6135, 6544, 6610, 6680, 7932, 8016, 8180, 9816, 9915, 10020, 10576, 12270, 13088, 13220, 13360, 15864, 16032, 16360, 19632, 19830, 20040, 21152, 24540, 26440, 26720, 31728, 32720, 39264, 39660, 40080, 49080, 52880, 63456, 65440, 68303, 79320, 80160, 98160, 105760, 110387, 136606, 158640, 196320, 204909, 220774, 270349, 273212, 317280, 331161, 341515, 409818, 441548, 540698, 546424, 551935, 662322, 683030, 811047, 819636, 883096, 1024545, 1081396, 1092848, 1103870, 1324644, 1351745, 1366060, 1622094, 1639272, 1655805, 1766192, 2049090, 2162792, 2185696, 2207740, 2649288, 2703490, 2732120, 3244188, 3278544, 3311610, 3532384, 4055235, 4098180, 4325584, 4415480, 5298576, 5406980, 5464240, 6488376, 6557088, 6623220, 8110470, 8196360, 8651168, 8830960, 10597152, 10813960, 10928480, 12976752, 13246440, 16220940, 16392720, 17661920, 21627920, 25953504, 26492880, 32441880, 32785440, 43255840, 45148283, 52985760, 64883760, 90296566, 129767520, 135444849, 180593132, 225741415, 270889698, 361186264, 451482830, 541779396, 677224245, 722372528, 902965660, 1083558792, 1354448490, 1444745056, 1805931320, 2167117584, 2708896980, 3611862640, 4334235168, 5417793960, 7223725280, 10835587920, 21671175840]

約数ペア:

[(1, 21671175840), (2, 10835587920), (3, 7223725280), (4, 5417793960), (5, 4334235168), (6, 3611862640), (8, 2708896980), (10, 2167117584), (12, 1805931320), (15, 1444745056), (16, 1354448490), (20, 1083558792), (24, 902965660), (30, 722372528), (32, 677224245), (40, 541779396), (48, 451482830), (60, 361186264), (80, 270889698), (96, 225741415), (120, 180593132), (160, 135444849), (167, 129767520), (240, 90296566), (334, 64883760), (409, 52985760), (480, 45148283), (501, 43255840), (661, 32785440), (668, 32441880), (818, 26492880), (835, 25953504), (1002, 21627920), (1227, 17661920), (1322, 16392720), (1336, 16220940), (1636, 13246440), (1670, 12976752), (1983, 10928480), (2004, 10813960), (2045, 10597152), (2454, 8830960), (2505, 8651168), (2644, 8196360), (2672, 8110470), (3272, 6623220), (3305, 6557088), (3340, 6488376), (3966, 5464240), (4008, 5406980), (4090, 5298576), (4908, 4415480), (5010, 4325584), (5288, 4098180), (5344, 4055235), (6135, 3532384), (6544, 3311610), (6610, 3278544), (6680, 3244188), (7932, 2732120), (8016, 2703490), (8180, 2649288), (9816, 2207740), (9915, 2185696), (10020, 2162792), (10576, 2049090), (12270, 1766192), (13088, 1655805), (13220, 1639272), (13360, 1622094), (15864, 1366060), (16032, 1351745), (16360, 1324644), (19632, 1103870), (19830, 1092848), (20040, 1081396), (21152, 1024545), (24540, 883096), (26440, 819636), (26720, 811047), (31728, 683030), (32720, 662322), (39264, 551935), (39660, 546424), (40080, 540698), (49080, 441548), (52880, 409818), (63456, 341515), (65440, 331161), (68303, 317280), (79320, 273212), (80160, 270349), (98160, 220774), (105760, 204909), (110387, 196320), (136606, 158640)]