20168094960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{55249}}^1$

素因数の和:55297

約数の個数: 240

約数和(自身を含む): 75223980000

約数和(自身を除く): 55055885040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 169, 180, 195, 208, 216, 234, 240, 260, 270, 312, 338, 351, 360, 390, 432, 468, 507, 520, 540, 585, 624, 676, 702, 720, 780, 845, 936, 1014, 1040, 1080, 1170, 1352, 1404, 1521, 1560, 1690, 1755, 1872, 2028, 2160, 2340, 2535, 2704, 2808, 3042, 3120, 3380, 3510, 4056, 4563, 4680, 5070, 5616, 6084, 6760, 7020, 7605, 8112, 9126, 9360, 10140, 12168, 13520, 14040, 15210, 18252, 20280, 22815, 24336, 28080, 30420, 36504, 40560, 45630, 55249, 60840, 73008, 91260, 110498, 121680, 165747, 182520, 220996, 276245, 331494, 365040, 441992, 497241, 552490, 662988, 718237, 828735, 883984, 994482, 1104980, 1325976, 1436474, 1491723, 1657470, 1988964, 2154711, 2209960, 2486205, 2651952, 2872948, 2983446, 3314940, 3591185, 3977928, 4309422, 4419920, 4972410, 5745896, 5966892, 6464133, 6629880, 7182370, 7458615, 7955856, 8618844, 9337081, 9944820, 10773555, 11491792, 11933784, 12928266, 13259760, 14364740, 14917230, 17237688, 18674162, 19392399, 19889640, 21547110, 23867568, 25856532, 28011243, 28729480, 29834460, 32320665, 34475376, 37348324, 38784798, 39779280, 43094220, 46685405, 51713064, 56022486, 57458960, 59668920, 64641330, 74696648, 77569596, 84033729, 86188440, 93370810, 96961995, 103426128, 112044972, 119337840, 129282660, 140056215, 149393296, 155139192, 168067458, 172376880, 186741620, 193923990, 224089944, 252101187, 258565320, 280112430, 310278384, 336134916, 373483240, 387847980, 420168645, 448179888, 504202374, 517130640, 560224860, 672269832, 746966480, 775695960, 840337290, 1008404748, 1120449720, 1260505935, 1344539664, 1551391920, 1680674580, 2016809496, 2240899440, 2521011870, 3361349160, 4033618992, 5042023740, 6722698320, 10084047480, 20168094960]

約数ペア:

[(1, 20168094960), (2, 10084047480), (3, 6722698320), (4, 5042023740), (5, 4033618992), (6, 3361349160), (8, 2521011870), (9, 2240899440), (10, 2016809496), (12, 1680674580), (13, 1551391920), (15, 1344539664), (16, 1260505935), (18, 1120449720), (20, 1008404748), (24, 840337290), (26, 775695960), (27, 746966480), (30, 672269832), (36, 560224860), (39, 517130640), (40, 504202374), (45, 448179888), (48, 420168645), (52, 387847980), (54, 373483240), (60, 336134916), (65, 310278384), (72, 280112430), (78, 258565320), (80, 252101187), (90, 224089944), (104, 193923990), (108, 186741620), (117, 172376880), (120, 168067458), (130, 155139192), (135, 149393296), (144, 140056215), (156, 129282660), (169, 119337840), (180, 112044972), (195, 103426128), (208, 96961995), (216, 93370810), (234, 86188440), (240, 84033729), (260, 77569596), (270, 74696648), (312, 64641330), (338, 59668920), (351, 57458960), (360, 56022486), (390, 51713064), (432, 46685405), (468, 43094220), (507, 39779280), (520, 38784798), (540, 37348324), (585, 34475376), (624, 32320665), (676, 29834460), (702, 28729480), (720, 28011243), (780, 25856532), (845, 23867568), (936, 21547110), (1014, 19889640), (1040, 19392399), (1080, 18674162), (1170, 17237688), (1352, 14917230), (1404, 14364740), (1521, 13259760), (1560, 12928266), (1690, 11933784), (1755, 11491792), (1872, 10773555), (2028, 9944820), (2160, 9337081), (2340, 8618844), (2535, 7955856), (2704, 7458615), (2808, 7182370), (3042, 6629880), (3120, 6464133), (3380, 5966892), (3510, 5745896), (4056, 4972410), (4563, 4419920), (4680, 4309422), (5070, 3977928), (5616, 3591185), (6084, 3314940), (6760, 2983446), (7020, 2872948), (7605, 2651952), (8112, 2486205), (9126, 2209960), (9360, 2154711), (10140, 1988964), (12168, 1657470), (13520, 1491723), (14040, 1436474), (15210, 1325976), (18252, 1104980), (20280, 994482), (22815, 883984), (24336, 828735), (28080, 718237), (30420, 662988), (36504, 552490), (40560, 497241), (45630, 441992), (55249, 365040), (60840, 331494), (73008, 276245), (91260, 220996), (110498, 182520), (121680, 165747)]