21068622720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{64171}}^1$

素因数の和:64218

約数の個数: 256

約数和(自身を含む): 78546528000

約数和(自身を除く): 57477905280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 4104, 4320, 4560, 5130, 5472, 5760, 6080, 6840, 7296, 8208, 8640, 9120, 10260, 10944, 12160, 13680, 16416, 17280, 18240, 20520, 21888, 27360, 32832, 36480, 41040, 54720, 64171, 65664, 82080, 109440, 128342, 164160, 192513, 256684, 320855, 328320, 385026, 513368, 577539, 641710, 770052, 962565, 1026736, 1155078, 1219249, 1283420, 1540104, 1732617, 1925130, 2053472, 2310156, 2438498, 2566840, 2887695, 3080208, 3465234, 3657747, 3850260, 4106944, 4620312, 4876996, 5133680, 5775390, 6096245, 6160416, 6930468, 7315494, 7700520, 8213888, 8663085, 9240624, 9753992, 10267360, 10973241, 11550780, 12192490, 12320832, 13860936, 14630988, 15401040, 17326170, 18288735, 18481248, 19507984, 20534720, 21946482, 23101560, 24384980, 24641664, 27721872, 29261976, 30802080, 32919723, 34652340, 36577470, 36962496, 39015968, 41069440, 43892964, 46203120, 48769960, 54866205, 55443744, 58523952, 61604160, 65839446, 69304680, 73154940, 73924992, 78031936, 87785928, 92406240, 97539920, 109732410, 110887488, 117047904, 123208320, 131678892, 138609360, 146309880, 156063872, 164598615, 175571856, 184812480, 195079840, 219464820, 221774976, 234095808, 263357784, 277218720, 292619760, 329197230, 351143712, 369624960, 390159680, 438929640, 468191616, 526715568, 554437440, 585239520, 658394460, 702287424, 780319360, 877859280, 1053431136, 1108874880, 1170479040, 1316788920, 1404574848, 1755718560, 2106862272, 2340958080, 2633577840, 3511437120, 4213724544, 5267155680, 7022874240, 10534311360, 21068622720]

約数ペア:

[(1, 21068622720), (2, 10534311360), (3, 7022874240), (4, 5267155680), (5, 4213724544), (6, 3511437120), (8, 2633577840), (9, 2340958080), (10, 2106862272), (12, 1755718560), (15, 1404574848), (16, 1316788920), (18, 1170479040), (19, 1108874880), (20, 1053431136), (24, 877859280), (27, 780319360), (30, 702287424), (32, 658394460), (36, 585239520), (38, 554437440), (40, 526715568), (45, 468191616), (48, 438929640), (54, 390159680), (57, 369624960), (60, 351143712), (64, 329197230), (72, 292619760), (76, 277218720), (80, 263357784), (90, 234095808), (95, 221774976), (96, 219464820), (108, 195079840), (114, 184812480), (120, 175571856), (128, 164598615), (135, 156063872), (144, 146309880), (152, 138609360), (160, 131678892), (171, 123208320), (180, 117047904), (190, 110887488), (192, 109732410), (216, 97539920), (228, 92406240), (240, 87785928), (270, 78031936), (285, 73924992), (288, 73154940), (304, 69304680), (320, 65839446), (342, 61604160), (360, 58523952), (380, 55443744), (384, 54866205), (432, 48769960), (456, 46203120), (480, 43892964), (513, 41069440), (540, 39015968), (570, 36962496), (576, 36577470), (608, 34652340), (640, 32919723), (684, 30802080), (720, 29261976), (760, 27721872), (855, 24641664), (864, 24384980), (912, 23101560), (960, 21946482), (1026, 20534720), (1080, 19507984), (1140, 18481248), (1152, 18288735), (1216, 17326170), (1368, 15401040), (1440, 14630988), (1520, 13860936), (1710, 12320832), (1728, 12192490), (1824, 11550780), (1920, 10973241), (2052, 10267360), (2160, 9753992), (2280, 9240624), (2432, 8663085), (2565, 8213888), (2736, 7700520), (2880, 7315494), (3040, 6930468), (3420, 6160416), (3456, 6096245), (3648, 5775390), (4104, 5133680), (4320, 4876996), (4560, 4620312), (5130, 4106944), (5472, 3850260), (5760, 3657747), (6080, 3465234), (6840, 3080208), (7296, 2887695), (8208, 2566840), (8640, 2438498), (9120, 2310156), (10260, 2053472), (10944, 1925130), (12160, 1732617), (13680, 1540104), (16416, 1283420), (17280, 1219249), (18240, 1155078), (20520, 1026736), (21888, 962565), (27360, 770052), (32832, 641710), (36480, 577539), (41040, 513368), (54720, 385026), (64171, 328320), (65664, 320855), (82080, 256684), (109440, 192513), (128342, 164160)]