27686120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 79315200

約数和(自身を除く): 51629080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 101, 110, 140, 154, 178, 202, 220, 280, 308, 356, 385, 404, 440, 445, 505, 616, 623, 707, 712, 770, 808, 890, 979, 1010, 1111, 1246, 1414, 1540, 1780, 1958, 2020, 2222, 2492, 2828, 3080, 3115, 3535, 3560, 3916, 4040, 4444, 4895, 4984, 5555, 5656, 6230, 6853, 7070, 7777, 7832, 8888, 8989, 9790, 11110, 12460, 13706, 14140, 15554, 17978, 19580, 22220, 24920, 27412, 28280, 31108, 34265, 35956, 38885, 39160, 44440, 44945, 54824, 62216, 62923, 68530, 71912, 77770, 89890, 98879, 125846, 137060, 155540, 179780, 197758, 251692, 274120, 311080, 314615, 359560, 395516, 494395, 503384, 629230, 692153, 791032, 988790, 1258460, 1384306, 1977580, 2516920, 2768612, 3460765, 3955160, 5537224, 6921530, 13843060, 27686120]

約数ペア:

[(1, 27686120), (2, 13843060), (4, 6921530), (5, 5537224), (7, 3955160), (8, 3460765), (10, 2768612), (11, 2516920), (14, 1977580), (20, 1384306), (22, 1258460), (28, 988790), (35, 791032), (40, 692153), (44, 629230), (55, 503384), (56, 494395), (70, 395516), (77, 359560), (88, 314615), (89, 311080), (101, 274120), (110, 251692), (140, 197758), (154, 179780), (178, 155540), (202, 137060), (220, 125846), (280, 98879), (308, 89890), (356, 77770), (385, 71912), (404, 68530), (440, 62923), (445, 62216), (505, 54824), (616, 44945), (623, 44440), (707, 39160), (712, 38885), (770, 35956), (808, 34265), (890, 31108), (979, 28280), (1010, 27412), (1111, 24920), (1246, 22220), (1414, 19580), (1540, 17978), (1780, 15554), (1958, 14140), (2020, 13706), (2222, 12460), (2492, 11110), (2828, 9790), (3080, 8989), (3115, 8888), (3535, 7832), (3560, 7777), (3916, 7070), (4040, 6853), (4444, 6230), (4895, 5656), (4984, 5555)]