68843920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 166239360

約数和(自身を除く): 97395440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 139, 151, 164, 205, 278, 302, 328, 410, 556, 604, 656, 695, 755, 820, 1112, 1208, 1390, 1510, 1640, 2224, 2416, 2780, 3020, 3280, 5560, 5699, 6040, 6191, 11120, 11398, 12080, 12382, 20989, 22796, 24764, 28495, 30955, 41978, 45592, 49528, 56990, 61910, 83956, 91184, 99056, 104945, 113980, 123820, 167912, 209890, 227960, 247640, 335824, 419780, 455920, 495280, 839560, 860549, 1679120, 1721098, 3442196, 4302745, 6884392, 8605490, 13768784, 17210980, 34421960, 68843920]

約数ペア:

[(1, 68843920), (2, 34421960), (4, 17210980), (5, 13768784), (8, 8605490), (10, 6884392), (16, 4302745), (20, 3442196), (40, 1721098), (41, 1679120), (80, 860549), (82, 839560), (139, 495280), (151, 455920), (164, 419780), (205, 335824), (278, 247640), (302, 227960), (328, 209890), (410, 167912), (556, 123820), (604, 113980), (656, 104945), (695, 99056), (755, 91184), (820, 83956), (1112, 61910), (1208, 56990), (1390, 49528), (1510, 45592), (1640, 41978), (2224, 30955), (2416, 28495), (2780, 24764), (3020, 22796), (3280, 20989), (5560, 12382), (5699, 12080), (6040, 11398), (6191, 11120)]