68067440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 182077632

約数和(自身を除く): 114010192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 617, 788, 985, 1234, 1379, 1576, 1970, 2468, 2758, 3085, 3152, 3940, 4319, 4936, 5516, 6170, 6895, 7880, 8638, 9872, 11032, 12340, 13790, 15760, 17276, 21595, 22064, 24680, 27580, 34552, 43190, 49360, 55160, 69104, 86380, 110320, 121549, 172760, 243098, 345520, 486196, 607745, 850843, 972392, 1215490, 1701686, 1944784, 2430980, 3403372, 4254215, 4861960, 6806744, 8508430, 9723920, 13613488, 17016860, 34033720, 68067440]

約数ペア:

[(1, 68067440), (2, 34033720), (4, 17016860), (5, 13613488), (7, 9723920), (8, 8508430), (10, 6806744), (14, 4861960), (16, 4254215), (20, 3403372), (28, 2430980), (35, 1944784), (40, 1701686), (56, 1215490), (70, 972392), (80, 850843), (112, 607745), (140, 486196), (197, 345520), (280, 243098), (394, 172760), (560, 121549), (617, 110320), (788, 86380), (985, 69104), (1234, 55160), (1379, 49360), (1576, 43190), (1970, 34552), (2468, 27580), (2758, 24680), (3085, 22064), (3152, 21595), (3940, 17276), (4319, 15760), (4936, 13790), (5516, 12340), (6170, 11032), (6895, 9872), (7880, 8638)]