73872680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1367}}^1$

素因数の和:1578

約数の個数: 64

約数和(自身を含む): 191082240

約数和(自身を除く): 117209560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1351, 1367, 1544, 1930, 2702, 2734, 3860, 5404, 5468, 6755, 6835, 7720, 9569, 10808, 10936, 13510, 13670, 19138, 27020, 27340, 38276, 47845, 54040, 54680, 76552, 95690, 191380, 263831, 382760, 527662, 1055324, 1319155, 1846817, 2110648, 2638310, 3693634, 5276620, 7387268, 9234085, 10553240, 14774536, 18468170, 36936340, 73872680]

約数ペア:

[(1, 73872680), (2, 36936340), (4, 18468170), (5, 14774536), (7, 10553240), (8, 9234085), (10, 7387268), (14, 5276620), (20, 3693634), (28, 2638310), (35, 2110648), (40, 1846817), (56, 1319155), (70, 1055324), (140, 527662), (193, 382760), (280, 263831), (386, 191380), (772, 95690), (965, 76552), (1351, 54680), (1367, 54040), (1544, 47845), (1930, 38276), (2702, 27340), (2734, 27020), (3860, 19138), (5404, 13670), (5468, 13510), (6755, 10936), (6835, 10808), (7720, 9569)]