126439880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 348986880

約数和(自身を除く): 222547000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 101, 119, 136, 140, 170, 202, 238, 263, 280, 340, 404, 476, 505, 526, 595, 680, 707, 808, 952, 1010, 1052, 1190, 1315, 1414, 1717, 1841, 2020, 2104, 2380, 2630, 2828, 3434, 3535, 3682, 4040, 4471, 4760, 5260, 5656, 6868, 7070, 7364, 8585, 8942, 9205, 10520, 12019, 13736, 14140, 14728, 17170, 17884, 18410, 22355, 24038, 26563, 28280, 31297, 34340, 35768, 36820, 44710, 48076, 53126, 60095, 62594, 68680, 73640, 89420, 96152, 106252, 120190, 125188, 132815, 156485, 178840, 185941, 212504, 240380, 250376, 265630, 312970, 371882, 451571, 480760, 531260, 625940, 743764, 903142, 929705, 1062520, 1251880, 1487528, 1806284, 1859410, 2257855, 3160997, 3612568, 3718820, 4515710, 6321994, 7437640, 9031420, 12643988, 15804985, 18062840, 25287976, 31609970, 63219940, 126439880]

約数ペア:

[(1, 126439880), (2, 63219940), (4, 31609970), (5, 25287976), (7, 18062840), (8, 15804985), (10, 12643988), (14, 9031420), (17, 7437640), (20, 6321994), (28, 4515710), (34, 3718820), (35, 3612568), (40, 3160997), (56, 2257855), (68, 1859410), (70, 1806284), (85, 1487528), (101, 1251880), (119, 1062520), (136, 929705), (140, 903142), (170, 743764), (202, 625940), (238, 531260), (263, 480760), (280, 451571), (340, 371882), (404, 312970), (476, 265630), (505, 250376), (526, 240380), (595, 212504), (680, 185941), (707, 178840), (808, 156485), (952, 132815), (1010, 125188), (1052, 120190), (1190, 106252), (1315, 96152), (1414, 89420), (1717, 73640), (1841, 68680), (2020, 62594), (2104, 60095), (2380, 53126), (2630, 48076), (2828, 44710), (3434, 36820), (3535, 35768), (3682, 34340), (4040, 31297), (4471, 28280), (4760, 26563), (5260, 24038), (5656, 22355), (6868, 18410), (7070, 17884), (7364, 17170), (8585, 14728), (8942, 14140), (9205, 13736), (10520, 12019)]