68761560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{751}}^1$

素因数の和:881

約数の個数: 128

約数和(自身を含む): 238233600

約数和(自身を除く): 169472040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 751, 763, 840, 872, 1090, 1308, 1502, 1526, 1635, 2180, 2253, 2289, 2616, 3004, 3052, 3270, 3755, 3815, 4360, 4506, 4578, 5257, 6008, 6104, 6540, 7510, 7630, 9012, 9156, 10514, 11265, 11445, 13080, 15020, 15260, 15771, 18024, 18312, 21028, 22530, 22890, 26285, 30040, 30520, 31542, 42056, 45060, 45780, 52570, 63084, 78855, 81859, 90120, 91560, 105140, 126168, 157710, 163718, 210280, 245577, 315420, 327436, 409295, 491154, 573013, 630840, 654872, 818590, 982308, 1146026, 1227885, 1637180, 1719039, 1964616, 2292052, 2455770, 2865065, 3274360, 3438078, 4584104, 4911540, 5730130, 6876156, 8595195, 9823080, 11460260, 13752312, 17190390, 22920520, 34380780, 68761560]

約数ペア:

[(1, 68761560), (2, 34380780), (3, 22920520), (4, 17190390), (5, 13752312), (6, 11460260), (7, 9823080), (8, 8595195), (10, 6876156), (12, 5730130), (14, 4911540), (15, 4584104), (20, 3438078), (21, 3274360), (24, 2865065), (28, 2455770), (30, 2292052), (35, 1964616), (40, 1719039), (42, 1637180), (56, 1227885), (60, 1146026), (70, 982308), (84, 818590), (105, 654872), (109, 630840), (120, 573013), (140, 491154), (168, 409295), (210, 327436), (218, 315420), (280, 245577), (327, 210280), (420, 163718), (436, 157710), (545, 126168), (654, 105140), (751, 91560), (763, 90120), (840, 81859), (872, 78855), (1090, 63084), (1308, 52570), (1502, 45780), (1526, 45060), (1635, 42056), (2180, 31542), (2253, 30520), (2289, 30040), (2616, 26285), (3004, 22890), (3052, 22530), (3270, 21028), (3755, 18312), (3815, 18024), (4360, 15771), (4506, 15260), (4578, 15020), (5257, 13080), (6008, 11445), (6104, 11265), (6540, 10514), (7510, 9156), (7630, 9012)]