138979440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:196

約数の個数: 180

約数和(自身を含む): 484828344

約数和(自身を除く): 345848904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 67, 72, 80, 86, 90, 120, 129, 134, 144, 172, 180, 201, 215, 240, 258, 268, 335, 344, 360, 387, 402, 430, 516, 536, 603, 645, 670, 688, 720, 774, 804, 860, 1005, 1032, 1072, 1206, 1290, 1340, 1548, 1608, 1720, 1935, 2010, 2064, 2412, 2580, 2680, 2881, 3015, 3096, 3216, 3440, 3870, 4020, 4489, 4824, 5160, 5360, 5762, 6030, 6192, 7740, 8040, 8643, 8978, 9648, 10320, 11524, 12060, 13467, 14405, 15480, 16080, 17286, 17956, 22445, 23048, 24120, 25929, 26934, 28810, 30960, 34572, 35912, 40401, 43215, 44890, 46096, 48240, 51858, 53868, 57620, 67335, 69144, 71824, 80802, 86430, 89780, 103716, 107736, 115240, 129645, 134670, 138288, 161604, 172860, 179560, 193027, 202005, 207432, 215472, 230480, 259290, 269340, 323208, 345720, 359120, 386054, 404010, 414864, 518580, 538680, 579081, 646416, 691440, 772108, 808020, 965135, 1037160, 1077360, 1158162, 1544216, 1616040, 1737243, 1930270, 2074320, 2316324, 2895405, 3088432, 3232080, 3474486, 3860540, 4632648, 5790810, 6948972, 7721080, 8686215, 9265296, 11581620, 13897944, 15442160, 17372430, 23163240, 27795888, 34744860, 46326480, 69489720, 138979440]

約数ペア:

[(1, 138979440), (2, 69489720), (3, 46326480), (4, 34744860), (5, 27795888), (6, 23163240), (8, 17372430), (9, 15442160), (10, 13897944), (12, 11581620), (15, 9265296), (16, 8686215), (18, 7721080), (20, 6948972), (24, 5790810), (30, 4632648), (36, 3860540), (40, 3474486), (43, 3232080), (45, 3088432), (48, 2895405), (60, 2316324), (67, 2074320), (72, 1930270), (80, 1737243), (86, 1616040), (90, 1544216), (120, 1158162), (129, 1077360), (134, 1037160), (144, 965135), (172, 808020), (180, 772108), (201, 691440), (215, 646416), (240, 579081), (258, 538680), (268, 518580), (335, 414864), (344, 404010), (360, 386054), (387, 359120), (402, 345720), (430, 323208), (516, 269340), (536, 259290), (603, 230480), (645, 215472), (670, 207432), (688, 202005), (720, 193027), (774, 179560), (804, 172860), (860, 161604), (1005, 138288), (1032, 134670), (1072, 129645), (1206, 115240), (1290, 107736), (1340, 103716), (1548, 89780), (1608, 86430), (1720, 80802), (1935, 71824), (2010, 69144), (2064, 67335), (2412, 57620), (2580, 53868), (2680, 51858), (2881, 48240), (3015, 46096), (3096, 44890), (3216, 43215), (3440, 40401), (3870, 35912), (4020, 34572), (4489, 30960), (4824, 28810), (5160, 26934), (5360, 25929), (5762, 24120), (6030, 23048), (6192, 22445), (7740, 17956), (8040, 17286), (8643, 16080), (8978, 15480), (9648, 14405), (10320, 13467), (11524, 12060)]