1261680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{751}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 4475904

約数和(自身を除く): 3214224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 751, 840, 1502, 1680, 2253, 3004, 3755, 4506, 5257, 6008, 7510, 9012, 10514, 11265, 12016, 15020, 15771, 18024, 21028, 22530, 26285, 30040, 31542, 36048, 42056, 45060, 52570, 60080, 63084, 78855, 84112, 90120, 105140, 126168, 157710, 180240, 210280, 252336, 315420, 420560, 630840, 1261680]

約数ペア:

[(1, 1261680), (2, 630840), (3, 420560), (4, 315420), (5, 252336), (6, 210280), (7, 180240), (8, 157710), (10, 126168), (12, 105140), (14, 90120), (15, 84112), (16, 78855), (20, 63084), (21, 60080), (24, 52570), (28, 45060), (30, 42056), (35, 36048), (40, 31542), (42, 30040), (48, 26285), (56, 22530), (60, 21028), (70, 18024), (80, 15771), (84, 15020), (105, 12016), (112, 11265), (120, 10514), (140, 9012), (168, 7510), (210, 6008), (240, 5257), (280, 4506), (336, 3755), (420, 3004), (560, 2253), (751, 1680), (840, 1502)]