21379114080

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27043}}^1$

素因数の和:27131

約数の個数: 240

約数和(自身を含む): 76690185264

約数和(自身を除く): 55311071184

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, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 270, 288, 305, 324, 360, 366, 405, 432, 480, 488, 540, 549, 610, 648, 720, 732, 810, 864, 915, 976, 1080, 1098, 1220, 1296, 1440, 1464, 1620, 1647, 1830, 1952, 2160, 2196, 2440, 2592, 2745, 2928, 3240, 3294, 3660, 4320, 4392, 4880, 4941, 5490, 5856, 6480, 6588, 7320, 8235, 8784, 9760, 9882, 10980, 12960, 13176, 14640, 16470, 17568, 19764, 21960, 24705, 26352, 27043, 29280, 32940, 39528, 43920, 49410, 52704, 54086, 65880, 79056, 81129, 87840, 98820, 108172, 131760, 135215, 158112, 162258, 197640, 216344, 243387, 263520, 270430, 324516, 395280, 405645, 432688, 486774, 540860, 649032, 730161, 790560, 811290, 865376, 973548, 1081720, 1216935, 1298064, 1460322, 1622580, 1649623, 1947096, 2163440, 2190483, 2433870, 2596128, 2920644, 3245160, 3299246, 3650805, 3894192, 4326880, 4380966, 4867740, 4948869, 5841288, 6490320, 6598492, 7301610, 7788384, 8248115, 8761932, 9735480, 9897738, 10952415, 11682576, 12980640, 13196984, 14603220, 14846607, 16496230, 17523864, 19470960, 19795476, 21904830, 23365152, 24744345, 26393968, 29206440, 29693214, 32992460, 35047728, 38941920, 39590952, 43809660, 44539821, 49488690, 52787936, 58412880, 59386428, 65984920, 70095456, 74233035, 79181904, 87619320, 89079642, 98977380, 116825760, 118772856, 131969840, 133619463, 148466070, 158363808, 175238640, 178159284, 197954760, 222699105, 237545712, 263939680, 267238926, 296932140, 350477280, 356318568, 395909520, 445398210, 475091424, 534477852, 593864280, 668097315, 712637136, 791819040, 890796420, 1068955704, 1187728560, 1336194630, 1425274272, 1781592840, 2137911408, 2375457120, 2672389260, 3563185680, 4275822816, 5344778520, 7126371360, 10689557040, 21379114080]

約数ペア:

[(1, 21379114080), (2, 10689557040), (3, 7126371360), (4, 5344778520), (5, 4275822816), (6, 3563185680), (8, 2672389260), (9, 2375457120), (10, 2137911408), (12, 1781592840), (15, 1425274272), (16, 1336194630), (18, 1187728560), (20, 1068955704), (24, 890796420), (27, 791819040), (30, 712637136), (32, 668097315), (36, 593864280), (40, 534477852), (45, 475091424), (48, 445398210), (54, 395909520), (60, 356318568), (61, 350477280), (72, 296932140), (80, 267238926), (81, 263939680), (90, 237545712), (96, 222699105), (108, 197954760), (120, 178159284), (122, 175238640), (135, 158363808), (144, 148466070), (160, 133619463), (162, 131969840), (180, 118772856), (183, 116825760), (216, 98977380), (240, 89079642), (244, 87619320), (270, 79181904), (288, 74233035), (305, 70095456), (324, 65984920), (360, 59386428), (366, 58412880), (405, 52787936), (432, 49488690), (480, 44539821), (488, 43809660), (540, 39590952), (549, 38941920), (610, 35047728), (648, 32992460), (720, 29693214), (732, 29206440), (810, 26393968), (864, 24744345), (915, 23365152), (976, 21904830), (1080, 19795476), (1098, 19470960), (1220, 17523864), (1296, 16496230), (1440, 14846607), (1464, 14603220), (1620, 13196984), (1647, 12980640), (1830, 11682576), (1952, 10952415), (2160, 9897738), (2196, 9735480), (2440, 8761932), (2592, 8248115), (2745, 7788384), (2928, 7301610), (3240, 6598492), (3294, 6490320), (3660, 5841288), (4320, 4948869), (4392, 4867740), (4880, 4380966), (4941, 4326880), (5490, 3894192), (5856, 3650805), (6480, 3299246), (6588, 3245160), (7320, 2920644), (8235, 2596128), (8784, 2433870), (9760, 2190483), (9882, 2163440), (10980, 1947096), (12960, 1649623), (13176, 1622580), (14640, 1460322), (16470, 1298064), (17568, 1216935), (19764, 1081720), (21960, 973548), (24705, 865376), (26352, 811290), (27043, 790560), (29280, 730161), (32940, 649032), (39528, 540860), (43920, 486774), (49410, 432688), (52704, 405645), (54086, 395280), (65880, 324516), (79056, 270430), (81129, 263520), (87840, 243387), (98820, 216344), (108172, 197640), (131760, 162258), (135215, 158112)]