68489960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 197648640

約数和(自身を除く): 129158680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 601, 616, 740, 770, 814, 1036, 1202, 1295, 1480, 1540, 1628, 2035, 2072, 2404, 2590, 2849, 3005, 3080, 3256, 4070, 4207, 4808, 5180, 5698, 6010, 6611, 8140, 8414, 10360, 11396, 12020, 13222, 14245, 16280, 16828, 21035, 22237, 22792, 24040, 26444, 28490, 33055, 33656, 42070, 44474, 46277, 52888, 56980, 66110, 84140, 88948, 92554, 111185, 113960, 132220, 155659, 168280, 177896, 185108, 222370, 231385, 244607, 264440, 311318, 370216, 444740, 462770, 489214, 622636, 778295, 889480, 925540, 978428, 1223035, 1245272, 1556590, 1712249, 1851080, 1956856, 2446070, 3113180, 3424498, 4892140, 6226360, 6848996, 8561245, 9784280, 13697992, 17122490, 34244980, 68489960]

約数ペア:

[(1, 68489960), (2, 34244980), (4, 17122490), (5, 13697992), (7, 9784280), (8, 8561245), (10, 6848996), (11, 6226360), (14, 4892140), (20, 3424498), (22, 3113180), (28, 2446070), (35, 1956856), (37, 1851080), (40, 1712249), (44, 1556590), (55, 1245272), (56, 1223035), (70, 978428), (74, 925540), (77, 889480), (88, 778295), (110, 622636), (140, 489214), (148, 462770), (154, 444740), (185, 370216), (220, 311318), (259, 264440), (280, 244607), (296, 231385), (308, 222370), (370, 185108), (385, 177896), (407, 168280), (440, 155659), (518, 132220), (601, 113960), (616, 111185), (740, 92554), (770, 88948), (814, 84140), (1036, 66110), (1202, 56980), (1295, 52888), (1480, 46277), (1540, 44474), (1628, 42070), (2035, 33656), (2072, 33055), (2404, 28490), (2590, 26444), (2849, 24040), (3005, 22792), (3080, 22237), (3256, 21035), (4070, 16828), (4207, 16280), (4808, 14245), (5180, 13222), (5698, 12020), (6010, 11396), (6611, 10360), (8140, 8414)]