280168992

素因数分解:

$2^5\times 3^2\times {\mathrm{331}}^1\times {\mathrm{2939}}^1$

素因数の和:3286

約数の個数: 72

約数和(自身を含む): 799409520

約数和(自身を除く): 519240528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 331, 662, 993, 1324, 1986, 2648, 2939, 2979, 3972, 5296, 5878, 5958, 7944, 8817, 10592, 11756, 11916, 15888, 17634, 23512, 23832, 26451, 31776, 35268, 47024, 47664, 52902, 70536, 94048, 95328, 105804, 141072, 211608, 282144, 423216, 846432, 972809, 1945618, 2918427, 3891236, 5836854, 7782472, 8755281, 11673708, 15564944, 17510562, 23347416, 31129888, 35021124, 46694832, 70042248, 93389664, 140084496, 280168992]

約数ペア:

[(1, 280168992), (2, 140084496), (3, 93389664), (4, 70042248), (6, 46694832), (8, 35021124), (9, 31129888), (12, 23347416), (16, 17510562), (18, 15564944), (24, 11673708), (32, 8755281), (36, 7782472), (48, 5836854), (72, 3891236), (96, 2918427), (144, 1945618), (288, 972809), (331, 846432), (662, 423216), (993, 282144), (1324, 211608), (1986, 141072), (2648, 105804), (2939, 95328), (2979, 94048), (3972, 70536), (5296, 52902), (5878, 47664), (5958, 47024), (7944, 35268), (8817, 31776), (10592, 26451), (11756, 23832), (11916, 23512), (15888, 17634)]