12972680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 33747840

約数和(自身を除く): 20775160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 433, 535, 749, 856, 866, 1070, 1498, 1732, 2140, 2165, 2996, 3031, 3464, 3745, 4280, 4330, 5992, 6062, 7490, 8660, 12124, 14980, 15155, 17320, 24248, 29960, 30310, 46331, 60620, 92662, 121240, 185324, 231655, 324317, 370648, 463310, 648634, 926620, 1297268, 1621585, 1853240, 2594536, 3243170, 6486340, 12972680]

約数ペア:

[(1, 12972680), (2, 6486340), (4, 3243170), (5, 2594536), (7, 1853240), (8, 1621585), (10, 1297268), (14, 926620), (20, 648634), (28, 463310), (35, 370648), (40, 324317), (56, 231655), (70, 185324), (107, 121240), (140, 92662), (214, 60620), (280, 46331), (428, 30310), (433, 29960), (535, 24248), (749, 17320), (856, 15155), (866, 14980), (1070, 12124), (1498, 8660), (1732, 7490), (2140, 6062), (2165, 5992), (2996, 4330), (3031, 4280), (3464, 3745)]