163168640

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2339}}^1$

素因数の和:2467

約数の個数: 64

約数和(自身を含む): 393822000

約数和(自身を除く): 230653360

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, 2339, 3488, 4360, 4678, 6976, 8720, 9356, 11695, 13952, 17440, 18712, 23390, 34880, 37424, 46780, 69760, 74848, 93560, 149696, 187120, 254951, 299392, 374240, 509902, 748480, 1019804, 1274755, 1496960, 2039608, 2549510, 4079216, 5099020, 8158432, 10198040, 16316864, 20396080, 32633728, 40792160, 81584320, 163168640]

約数ペア:

[(1, 163168640), (2, 81584320), (4, 40792160), (5, 32633728), (8, 20396080), (10, 16316864), (16, 10198040), (20, 8158432), (32, 5099020), (40, 4079216), (64, 2549510), (80, 2039608), (109, 1496960), (128, 1274755), (160, 1019804), (218, 748480), (320, 509902), (436, 374240), (545, 299392), (640, 254951), (872, 187120), (1090, 149696), (1744, 93560), (2180, 74848), (2339, 69760), (3488, 46780), (4360, 37424), (4678, 34880), (6976, 23390), (8720, 18712), (9356, 17440), (11695, 13952)]