12960920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 34171200

約数和(自身を除く): 21210280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1129, 1148, 1435, 1640, 2258, 2296, 2870, 4516, 5645, 5740, 7903, 9032, 11290, 11480, 15806, 22580, 31612, 39515, 45160, 46289, 63224, 79030, 92578, 158060, 185156, 231445, 316120, 324023, 370312, 462890, 648046, 925780, 1296092, 1620115, 1851560, 2592184, 3240230, 6480460, 12960920]

約数ペア:

[(1, 12960920), (2, 6480460), (4, 3240230), (5, 2592184), (7, 1851560), (8, 1620115), (10, 1296092), (14, 925780), (20, 648046), (28, 462890), (35, 370312), (40, 324023), (41, 316120), (56, 231445), (70, 185156), (82, 158060), (140, 92578), (164, 79030), (205, 63224), (280, 46289), (287, 45160), (328, 39515), (410, 31612), (574, 22580), (820, 15806), (1129, 11480), (1148, 11290), (1435, 9032), (1640, 7903), (2258, 5740), (2296, 5645), (2870, 4516)]