64585520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 155882880

約数和(自身を除く): 91297360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 89, 94, 178, 188, 193, 235, 356, 376, 386, 445, 470, 712, 752, 772, 890, 940, 965, 1424, 1544, 1780, 1880, 1930, 3088, 3560, 3760, 3860, 4183, 7120, 7720, 8366, 9071, 15440, 16732, 17177, 18142, 20915, 33464, 34354, 36284, 41830, 45355, 66928, 68708, 72568, 83660, 85885, 90710, 137416, 145136, 167320, 171770, 181420, 274832, 334640, 343540, 362840, 687080, 725680, 807319, 1374160, 1614638, 3229276, 4036595, 6458552, 8073190, 12917104, 16146380, 32292760, 64585520]

約数ペア:

[(1, 64585520), (2, 32292760), (4, 16146380), (5, 12917104), (8, 8073190), (10, 6458552), (16, 4036595), (20, 3229276), (40, 1614638), (47, 1374160), (80, 807319), (89, 725680), (94, 687080), (178, 362840), (188, 343540), (193, 334640), (235, 274832), (356, 181420), (376, 171770), (386, 167320), (445, 145136), (470, 137416), (712, 90710), (752, 85885), (772, 83660), (890, 72568), (940, 68708), (965, 66928), (1424, 45355), (1544, 41830), (1780, 36284), (1880, 34354), (1930, 33464), (3088, 20915), (3560, 18142), (3760, 17177), (3860, 16732), (4183, 15440), (7120, 9071), (7720, 8366)]