7138640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 18280080

約数和(自身を除く): 11141440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 181, 232, 272, 290, 340, 362, 464, 493, 580, 680, 724, 905, 986, 1160, 1360, 1448, 1810, 1972, 2320, 2465, 2896, 3077, 3620, 3944, 4930, 5249, 6154, 7240, 7888, 9860, 10498, 12308, 14480, 15385, 19720, 20996, 24616, 26245, 30770, 39440, 41992, 49232, 52490, 61540, 83984, 89233, 104980, 123080, 178466, 209960, 246160, 356932, 419920, 446165, 713864, 892330, 1427728, 1784660, 3569320, 7138640]

約数ペア:

[(1, 7138640), (2, 3569320), (4, 1784660), (5, 1427728), (8, 892330), (10, 713864), (16, 446165), (17, 419920), (20, 356932), (29, 246160), (34, 209960), (40, 178466), (58, 123080), (68, 104980), (80, 89233), (85, 83984), (116, 61540), (136, 52490), (145, 49232), (170, 41992), (181, 39440), (232, 30770), (272, 26245), (290, 24616), (340, 20996), (362, 19720), (464, 15385), (493, 14480), (580, 12308), (680, 10498), (724, 9860), (905, 7888), (986, 7240), (1160, 6154), (1360, 5249), (1448, 4930), (1810, 3944), (1972, 3620), (2320, 3077), (2465, 2896)]