21891294720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7253}}^1$

素因数の和:7413

約数の個数: 240

約数和(自身を含む): 76404989232

約数和(自身を除く): 54513694512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 131, 144, 160, 180, 192, 240, 256, 262, 288, 320, 360, 384, 393, 480, 512, 524, 576, 640, 655, 720, 768, 786, 960, 1048, 1152, 1179, 1280, 1310, 1440, 1536, 1572, 1920, 1965, 2096, 2304, 2358, 2560, 2620, 2880, 3144, 3840, 3930, 4192, 4608, 4716, 5240, 5760, 5895, 6288, 7253, 7680, 7860, 8384, 9432, 10480, 11520, 11790, 12576, 14506, 15720, 16768, 18864, 20960, 21759, 23040, 23580, 25152, 29012, 31440, 33536, 36265, 37728, 41920, 43518, 47160, 50304, 58024, 62880, 65277, 67072, 72530, 75456, 83840, 87036, 94320, 100608, 108795, 116048, 125760, 130554, 145060, 150912, 167680, 174072, 188640, 201216, 217590, 232096, 251520, 261108, 290120, 301824, 326385, 335360, 348144, 377280, 435180, 464192, 503040, 522216, 580240, 603648, 652770, 696288, 754560, 870360, 928384, 950143, 1006080, 1044432, 1160480, 1305540, 1392576, 1509120, 1740720, 1856768, 1900286, 2088864, 2320960, 2611080, 2785152, 2850429, 3018240, 3481440, 3713536, 3800572, 4177728, 4641920, 4750715, 5222160, 5570304, 5700858, 6962880, 7601144, 8355456, 8551287, 9283840, 9501430, 10444320, 11140608, 11401716, 13925760, 14252145, 15202288, 16710912, 17102574, 18567680, 19002860, 20888640, 22803432, 27851520, 28504290, 30404576, 33421824, 34205148, 38005720, 41777280, 42756435, 45606864, 55703040, 57008580, 60809152, 68410296, 76011440, 83554560, 85512870, 91213728, 114017160, 121618304, 136820592, 152022880, 167109120, 171025740, 182427456, 228034320, 243236608, 273641184, 304045760, 342051480, 364854912, 456068640, 486473216, 547282368, 608091520, 684102960, 729709824, 912137280, 1094564736, 1216183040, 1368205920, 1459419648, 1824274560, 2189129472, 2432366080, 2736411840, 3648549120, 4378258944, 5472823680, 7297098240, 10945647360, 21891294720]

約数ペア:

[(1, 21891294720), (2, 10945647360), (3, 7297098240), (4, 5472823680), (5, 4378258944), (6, 3648549120), (8, 2736411840), (9, 2432366080), (10, 2189129472), (12, 1824274560), (15, 1459419648), (16, 1368205920), (18, 1216183040), (20, 1094564736), (24, 912137280), (30, 729709824), (32, 684102960), (36, 608091520), (40, 547282368), (45, 486473216), (48, 456068640), (60, 364854912), (64, 342051480), (72, 304045760), (80, 273641184), (90, 243236608), (96, 228034320), (120, 182427456), (128, 171025740), (131, 167109120), (144, 152022880), (160, 136820592), (180, 121618304), (192, 114017160), (240, 91213728), (256, 85512870), (262, 83554560), (288, 76011440), (320, 68410296), (360, 60809152), (384, 57008580), (393, 55703040), (480, 45606864), (512, 42756435), (524, 41777280), (576, 38005720), (640, 34205148), (655, 33421824), (720, 30404576), (768, 28504290), (786, 27851520), (960, 22803432), (1048, 20888640), (1152, 19002860), (1179, 18567680), (1280, 17102574), (1310, 16710912), (1440, 15202288), (1536, 14252145), (1572, 13925760), (1920, 11401716), (1965, 11140608), (2096, 10444320), (2304, 9501430), (2358, 9283840), (2560, 8551287), (2620, 8355456), (2880, 7601144), (3144, 6962880), (3840, 5700858), (3930, 5570304), (4192, 5222160), (4608, 4750715), (4716, 4641920), (5240, 4177728), (5760, 3800572), (5895, 3713536), (6288, 3481440), (7253, 3018240), (7680, 2850429), (7860, 2785152), (8384, 2611080), (9432, 2320960), (10480, 2088864), (11520, 1900286), (11790, 1856768), (12576, 1740720), (14506, 1509120), (15720, 1392576), (16768, 1305540), (18864, 1160480), (20960, 1044432), (21759, 1006080), (23040, 950143), (23580, 928384), (25152, 870360), (29012, 754560), (31440, 696288), (33536, 652770), (36265, 603648), (37728, 580240), (41920, 522216), (43518, 503040), (47160, 464192), (50304, 435180), (58024, 377280), (62880, 348144), (65277, 335360), (67072, 326385), (72530, 301824), (75456, 290120), (83840, 261108), (87036, 251520), (94320, 232096), (100608, 217590), (108795, 201216), (116048, 188640), (125760, 174072), (130554, 167680), (145060, 150912)]