12709480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2426

約数の個数: 64

約数和(自身を含む): 34416000

約数和(自身を除く): 21706520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2389, 2660, 4778, 5320, 9556, 11945, 16723, 19112, 23890, 33446, 45391, 47780, 66892, 83615, 90782, 95560, 133784, 167230, 181564, 226955, 317737, 334460, 363128, 453910, 635474, 668920, 907820, 1270948, 1588685, 1815640, 2541896, 3177370, 6354740, 12709480]

約数ペア:

[(1, 12709480), (2, 6354740), (4, 3177370), (5, 2541896), (7, 1815640), (8, 1588685), (10, 1270948), (14, 907820), (19, 668920), (20, 635474), (28, 453910), (35, 363128), (38, 334460), (40, 317737), (56, 226955), (70, 181564), (76, 167230), (95, 133784), (133, 95560), (140, 90782), (152, 83615), (190, 66892), (266, 47780), (280, 45391), (380, 33446), (532, 23890), (665, 19112), (760, 16723), (1064, 11945), (1330, 9556), (2389, 5320), (2660, 4778)]