131879440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 388546560

約数和(自身を除く): 256667120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 80, 88, 110, 112, 140, 154, 158, 176, 220, 271, 280, 308, 316, 385, 395, 440, 542, 553, 560, 616, 632, 770, 790, 869, 880, 1084, 1106, 1232, 1264, 1355, 1540, 1580, 1738, 1897, 2168, 2212, 2710, 2765, 2981, 3080, 3160, 3476, 3794, 4336, 4345, 4424, 5420, 5530, 5962, 6083, 6160, 6320, 6952, 7588, 8690, 8848, 9485, 10840, 11060, 11924, 12166, 13904, 14905, 15176, 17380, 18970, 20867, 21409, 21680, 22120, 23848, 24332, 29810, 30352, 30415, 34760, 37940, 41734, 42818, 44240, 47696, 48664, 59620, 60830, 69520, 75880, 83468, 85636, 97328, 104335, 107045, 119240, 121660, 149863, 151760, 166936, 171272, 208670, 214090, 235499, 238480, 243320, 299726, 333872, 342544, 417340, 428180, 470998, 486640, 599452, 749315, 834680, 856360, 941996, 1177495, 1198904, 1498630, 1648493, 1669360, 1712720, 1883992, 2354990, 2397808, 2997260, 3296986, 3767984, 4709980, 5994520, 6593972, 8242465, 9419960, 11989040, 13187944, 16484930, 18839920, 26375888, 32969860, 65939720, 131879440]

約数ペア:

[(1, 131879440), (2, 65939720), (4, 32969860), (5, 26375888), (7, 18839920), (8, 16484930), (10, 13187944), (11, 11989040), (14, 9419960), (16, 8242465), (20, 6593972), (22, 5994520), (28, 4709980), (35, 3767984), (40, 3296986), (44, 2997260), (55, 2397808), (56, 2354990), (70, 1883992), (77, 1712720), (79, 1669360), (80, 1648493), (88, 1498630), (110, 1198904), (112, 1177495), (140, 941996), (154, 856360), (158, 834680), (176, 749315), (220, 599452), (271, 486640), (280, 470998), (308, 428180), (316, 417340), (385, 342544), (395, 333872), (440, 299726), (542, 243320), (553, 238480), (560, 235499), (616, 214090), (632, 208670), (770, 171272), (790, 166936), (869, 151760), (880, 149863), (1084, 121660), (1106, 119240), (1232, 107045), (1264, 104335), (1355, 97328), (1540, 85636), (1580, 83468), (1738, 75880), (1897, 69520), (2168, 60830), (2212, 59620), (2710, 48664), (2765, 47696), (2981, 44240), (3080, 42818), (3160, 41734), (3476, 37940), (3794, 34760), (4336, 30415), (4345, 30352), (4424, 29810), (5420, 24332), (5530, 23848), (5962, 22120), (6083, 21680), (6160, 21409), (6320, 20867), (6952, 18970), (7588, 17380), (8690, 15176), (8848, 14905), (9485, 13904), (10840, 12166), (11060, 11924)]