21020532480

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4643}}^1$

素因数の和:4804

約数の個数: 288

約数和(自身を含む): 75179301120

約数和(自身を除く): 54158768640

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, 64, 72, 80, 90, 96, 108, 120, 128, 131, 135, 144, 160, 180, 192, 216, 240, 256, 262, 270, 288, 320, 360, 384, 393, 432, 480, 524, 540, 576, 640, 655, 720, 768, 786, 864, 960, 1048, 1080, 1152, 1179, 1280, 1310, 1440, 1572, 1728, 1920, 1965, 2096, 2160, 2304, 2358, 2620, 2880, 3144, 3456, 3537, 3840, 3930, 4192, 4320, 4643, 4716, 5240, 5760, 5895, 6288, 6912, 7074, 7860, 8384, 8640, 9286, 9432, 10480, 11520, 11790, 12576, 13929, 14148, 15720, 16768, 17280, 17685, 18572, 18864, 20960, 23215, 23580, 25152, 27858, 28296, 31440, 33536, 34560, 35370, 37144, 37728, 41787, 41920, 46430, 47160, 50304, 55716, 56592, 62880, 69645, 70740, 74288, 75456, 83574, 83840, 92860, 94320, 100608, 111432, 113184, 125361, 125760, 139290, 141480, 148576, 150912, 167148, 167680, 185720, 188640, 208935, 222864, 226368, 250722, 251520, 278580, 282960, 297152, 301824, 334296, 371440, 377280, 417870, 445728, 452736, 501444, 503040, 557160, 565920, 594304, 608233, 626805, 668592, 742880, 754560, 835740, 891456, 905472, 1002888, 1114320, 1131840, 1188608, 1216466, 1253610, 1337184, 1485760, 1509120, 1671480, 1782912, 1824699, 2005776, 2228640, 2263680, 2432932, 2507220, 2674368, 2971520, 3041165, 3342960, 3565824, 3649398, 4011552, 4457280, 4527360, 4865864, 5014440, 5348736, 5474097, 5943040, 6082330, 6685920, 7298796, 8023104, 8914560, 9123495, 9731728, 10028880, 10697472, 10948194, 12164660, 13371840, 14597592, 16046208, 16422291, 17829120, 18246990, 19463456, 20057760, 21896388, 24329320, 26743680, 27370485, 29195184, 32092416, 32844582, 36493980, 38926912, 40115520, 43792776, 48658640, 53487360, 54740970, 58390368, 65689164, 72987960, 77853824, 80231040, 82111455, 87585552, 97317280, 109481940, 116780736, 131378328, 145975920, 155707648, 160462080, 164222910, 175171104, 194634560, 218963880, 233561472, 262756656, 291951840, 328445820, 350342208, 389269120, 437927760, 467122944, 525513312, 583903680, 656891640, 700684416, 778538240, 875855520, 1051026624, 1167807360, 1313783280, 1401368832, 1751711040, 2102053248, 2335614720, 2627566560, 3503422080, 4204106496, 5255133120, 7006844160, 10510266240, 21020532480]

約数ペア:

[(1, 21020532480), (2, 10510266240), (3, 7006844160), (4, 5255133120), (5, 4204106496), (6, 3503422080), (8, 2627566560), (9, 2335614720), (10, 2102053248), (12, 1751711040), (15, 1401368832), (16, 1313783280), (18, 1167807360), (20, 1051026624), (24, 875855520), (27, 778538240), (30, 700684416), (32, 656891640), (36, 583903680), (40, 525513312), (45, 467122944), (48, 437927760), (54, 389269120), (60, 350342208), (64, 328445820), (72, 291951840), (80, 262756656), (90, 233561472), (96, 218963880), (108, 194634560), (120, 175171104), (128, 164222910), (131, 160462080), (135, 155707648), (144, 145975920), (160, 131378328), (180, 116780736), (192, 109481940), (216, 97317280), (240, 87585552), (256, 82111455), (262, 80231040), (270, 77853824), (288, 72987960), (320, 65689164), (360, 58390368), (384, 54740970), (393, 53487360), (432, 48658640), (480, 43792776), (524, 40115520), (540, 38926912), (576, 36493980), (640, 32844582), (655, 32092416), (720, 29195184), (768, 27370485), (786, 26743680), (864, 24329320), (960, 21896388), (1048, 20057760), (1080, 19463456), (1152, 18246990), (1179, 17829120), (1280, 16422291), (1310, 16046208), (1440, 14597592), (1572, 13371840), (1728, 12164660), (1920, 10948194), (1965, 10697472), (2096, 10028880), (2160, 9731728), (2304, 9123495), (2358, 8914560), (2620, 8023104), (2880, 7298796), (3144, 6685920), (3456, 6082330), (3537, 5943040), (3840, 5474097), (3930, 5348736), (4192, 5014440), (4320, 4865864), (4643, 4527360), (4716, 4457280), (5240, 4011552), (5760, 3649398), (5895, 3565824), (6288, 3342960), (6912, 3041165), (7074, 2971520), (7860, 2674368), (8384, 2507220), (8640, 2432932), (9286, 2263680), (9432, 2228640), (10480, 2005776), (11520, 1824699), (11790, 1782912), (12576, 1671480), (13929, 1509120), (14148, 1485760), (15720, 1337184), (16768, 1253610), (17280, 1216466), (17685, 1188608), (18572, 1131840), (18864, 1114320), (20960, 1002888), (23215, 905472), (23580, 891456), (25152, 835740), (27858, 754560), (28296, 742880), (31440, 668592), (33536, 626805), (34560, 608233), (35370, 594304), (37144, 565920), (37728, 557160), (41787, 503040), (41920, 501444), (46430, 452736), (47160, 445728), (50304, 417870), (55716, 377280), (56592, 371440), (62880, 334296), (69645, 301824), (70740, 297152), (74288, 282960), (75456, 278580), (83574, 251520), (83840, 250722), (92860, 226368), (94320, 222864), (100608, 208935), (111432, 188640), (113184, 185720), (125361, 167680), (125760, 167148), (139290, 150912), (141480, 148576)]