68818120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2297}}^1$

素因数の和:2422

約数の個数: 64

約数和(自身を含む): 178692480

約数和(自身を除く): 109874360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2297, 2996, 3745, 4280, 4594, 5992, 7490, 9188, 11485, 14980, 16079, 18376, 22970, 29960, 32158, 45940, 64316, 80395, 91880, 128632, 160790, 245779, 321580, 491558, 643160, 983116, 1228895, 1720453, 1966232, 2457790, 3440906, 4915580, 6881812, 8602265, 9831160, 13763624, 17204530, 34409060, 68818120]

約数ペア:

[(1, 68818120), (2, 34409060), (4, 17204530), (5, 13763624), (7, 9831160), (8, 8602265), (10, 6881812), (14, 4915580), (20, 3440906), (28, 2457790), (35, 1966232), (40, 1720453), (56, 1228895), (70, 983116), (107, 643160), (140, 491558), (214, 321580), (280, 245779), (428, 160790), (535, 128632), (749, 91880), (856, 80395), (1070, 64316), (1498, 45940), (2140, 32158), (2297, 29960), (2996, 22970), (3745, 18376), (4280, 16079), (4594, 14980), (5992, 11485), (7490, 9188)]