445311440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18493}}^1$

素因数の和:18556

約数の個数: 80

約数和(自身を含む): 1210839168

約数和(自身を除く): 765527728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 6020, 12040, 18493, 24080, 36986, 73972, 92465, 129451, 147944, 184930, 258902, 295888, 369860, 517804, 647255, 739720, 795199, 1035608, 1294510, 1479440, 1590398, 2071216, 2589020, 3180796, 3975995, 5178040, 5566393, 6361592, 7951990, 10356080, 11132786, 12723184, 15903980, 22265572, 27831965, 31807960, 44531144, 55663930, 63615920, 89062288, 111327860, 222655720, 445311440]

約数ペア:

[(1, 445311440), (2, 222655720), (4, 111327860), (5, 89062288), (7, 63615920), (8, 55663930), (10, 44531144), (14, 31807960), (16, 27831965), (20, 22265572), (28, 15903980), (35, 12723184), (40, 11132786), (43, 10356080), (56, 7951990), (70, 6361592), (80, 5566393), (86, 5178040), (112, 3975995), (140, 3180796), (172, 2589020), (215, 2071216), (280, 1590398), (301, 1479440), (344, 1294510), (430, 1035608), (560, 795199), (602, 739720), (688, 647255), (860, 517804), (1204, 369860), (1505, 295888), (1720, 258902), (2408, 184930), (3010, 147944), (3440, 129451), (4816, 92465), (6020, 73972), (12040, 36986), (18493, 24080)]