1566321280

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{22453}}^1$

素因数の和:22581

約数の個数: 64

約数和(自身を含む): 3779008200

約数和(自身を除く): 2212686920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1744, 2180, 3488, 4360, 6976, 8720, 13952, 17440, 22453, 34880, 44906, 69760, 89812, 112265, 179624, 224530, 359248, 449060, 718496, 898120, 1436992, 1796240, 2447377, 2873984, 3592480, 4894754, 7184960, 9789508, 12236885, 14369920, 19579016, 24473770, 39158032, 48947540, 78316064, 97895080, 156632128, 195790160, 313264256, 391580320, 783160640, 1566321280]

約数ペア:

[(1, 1566321280), (2, 783160640), (4, 391580320), (5, 313264256), (8, 195790160), (10, 156632128), (16, 97895080), (20, 78316064), (32, 48947540), (40, 39158032), (64, 24473770), (80, 19579016), (109, 14369920), (128, 12236885), (160, 9789508), (218, 7184960), (320, 4894754), (436, 3592480), (545, 2873984), (640, 2447377), (872, 1796240), (1090, 1436992), (1744, 898120), (2180, 718496), (3488, 449060), (4360, 359248), (6976, 224530), (8720, 179624), (13952, 112265), (17440, 89812), (22453, 69760), (34880, 44906)]