20211884640

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7759}}^1$

素因数の和:7856

約数の個数: 288

約数和(自身を含む): 72604546560

約数和(自身を除く): 52392661920

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, 67, 72, 80, 81, 90, 96, 108, 120, 134, 135, 144, 160, 162, 180, 201, 216, 240, 243, 268, 270, 288, 324, 335, 360, 402, 405, 432, 480, 486, 536, 540, 603, 648, 670, 720, 804, 810, 864, 972, 1005, 1072, 1080, 1206, 1215, 1296, 1340, 1440, 1608, 1620, 1809, 1944, 2010, 2144, 2160, 2412, 2430, 2592, 2680, 3015, 3216, 3240, 3618, 3888, 4020, 4320, 4824, 4860, 5360, 5427, 6030, 6432, 6480, 7236, 7759, 7776, 8040, 9045, 9648, 9720, 10720, 10854, 12060, 12960, 14472, 15518, 16080, 16281, 18090, 19296, 19440, 21708, 23277, 24120, 27135, 28944, 31036, 32160, 32562, 36180, 38795, 38880, 43416, 46554, 48240, 54270, 57888, 62072, 65124, 69831, 72360, 77590, 81405, 86832, 93108, 96480, 108540, 116385, 124144, 130248, 139662, 144720, 155180, 162810, 173664, 186216, 209493, 217080, 232770, 248288, 260496, 279324, 289440, 310360, 325620, 349155, 372432, 418986, 434160, 465540, 519853, 520992, 558648, 620720, 628479, 651240, 698310, 744864, 837972, 868320, 931080, 1039706, 1047465, 1117296, 1241440, 1256958, 1302480, 1396620, 1559559, 1675944, 1862160, 1885437, 2079412, 2094930, 2234592, 2513916, 2599265, 2604960, 2793240, 3119118, 3142395, 3351888, 3724320, 3770874, 4158824, 4189860, 4678677, 5027832, 5198530, 5586480, 6238236, 6284790, 6703776, 7541748, 7797795, 8317648, 8379720, 9357354, 9427185, 10055664, 10397060, 11172960, 12476472, 12569580, 14036031, 15083496, 15595590, 16635296, 16759440, 18714708, 18854370, 20111328, 20794120, 23393385, 24952944, 25139160, 28072062, 30166992, 31191180, 33518880, 37429416, 37708740, 41588240, 42108093, 46786770, 49905888, 50278320, 56144124, 60333984, 62382360, 70180155, 74858832, 75417480, 83176480, 84216186, 93573540, 100556640, 112288248, 124764720, 126324279, 140360310, 149717664, 150834960, 168432372, 187147080, 210540465, 224576496, 249529440, 252648558, 280720620, 301669920, 336864744, 374294160, 421080930, 449152992, 505297116, 561441240, 631621395, 673729488, 748588320, 842161860, 1010594232, 1122882480, 1263242790, 1347458976, 1684323720, 2021188464, 2245764960, 2526485580, 3368647440, 4042376928, 5052971160, 6737294880, 10105942320, 20211884640]

約数ペア:

[(1, 20211884640), (2, 10105942320), (3, 6737294880), (4, 5052971160), (5, 4042376928), (6, 3368647440), (8, 2526485580), (9, 2245764960), (10, 2021188464), (12, 1684323720), (15, 1347458976), (16, 1263242790), (18, 1122882480), (20, 1010594232), (24, 842161860), (27, 748588320), (30, 673729488), (32, 631621395), (36, 561441240), (40, 505297116), (45, 449152992), (48, 421080930), (54, 374294160), (60, 336864744), (67, 301669920), (72, 280720620), (80, 252648558), (81, 249529440), (90, 224576496), (96, 210540465), (108, 187147080), (120, 168432372), (134, 150834960), (135, 149717664), (144, 140360310), (160, 126324279), (162, 124764720), (180, 112288248), (201, 100556640), (216, 93573540), (240, 84216186), (243, 83176480), (268, 75417480), (270, 74858832), (288, 70180155), (324, 62382360), (335, 60333984), (360, 56144124), (402, 50278320), (405, 49905888), (432, 46786770), (480, 42108093), (486, 41588240), (536, 37708740), (540, 37429416), (603, 33518880), (648, 31191180), (670, 30166992), (720, 28072062), (804, 25139160), (810, 24952944), (864, 23393385), (972, 20794120), (1005, 20111328), (1072, 18854370), (1080, 18714708), (1206, 16759440), (1215, 16635296), (1296, 15595590), (1340, 15083496), (1440, 14036031), (1608, 12569580), (1620, 12476472), (1809, 11172960), (1944, 10397060), (2010, 10055664), (2144, 9427185), (2160, 9357354), (2412, 8379720), (2430, 8317648), (2592, 7797795), (2680, 7541748), (3015, 6703776), (3216, 6284790), (3240, 6238236), (3618, 5586480), (3888, 5198530), (4020, 5027832), (4320, 4678677), (4824, 4189860), (4860, 4158824), (5360, 3770874), (5427, 3724320), (6030, 3351888), (6432, 3142395), (6480, 3119118), (7236, 2793240), (7759, 2604960), (7776, 2599265), (8040, 2513916), (9045, 2234592), (9648, 2094930), (9720, 2079412), (10720, 1885437), (10854, 1862160), (12060, 1675944), (12960, 1559559), (14472, 1396620), (15518, 1302480), (16080, 1256958), (16281, 1241440), (18090, 1117296), (19296, 1047465), (19440, 1039706), (21708, 931080), (23277, 868320), (24120, 837972), (27135, 744864), (28944, 698310), (31036, 651240), (32160, 628479), (32562, 620720), (36180, 558648), (38795, 520992), (38880, 519853), (43416, 465540), (46554, 434160), (48240, 418986), (54270, 372432), (57888, 349155), (62072, 325620), (65124, 310360), (69831, 289440), (72360, 279324), (77590, 260496), (81405, 248288), (86832, 232770), (93108, 217080), (96480, 209493), (108540, 186216), (116385, 173664), (124144, 162810), (130248, 155180), (139662, 144720)]