205841280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{107209}}^1$

素因数の和:107231

約数の個数: 64

約数和(自身を含む): 656125200

約数和(自身を除く): 450283920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 107209, 214418, 321627, 428836, 536045, 643254, 857672, 1072090, 1286508, 1608135, 1715344, 2144180, 2573016, 3216270, 3430688, 4288360, 5146032, 6432540, 6861376, 8576720, 10292064, 12865080, 13722752, 17153440, 20584128, 25730160, 34306880, 41168256, 51460320, 68613760, 102920640, 205841280]

約数ペア:

[(1, 205841280), (2, 102920640), (3, 68613760), (4, 51460320), (5, 41168256), (6, 34306880), (8, 25730160), (10, 20584128), (12, 17153440), (15, 13722752), (16, 12865080), (20, 10292064), (24, 8576720), (30, 6861376), (32, 6432540), (40, 5146032), (48, 4288360), (60, 3430688), (64, 3216270), (80, 2573016), (96, 2144180), (120, 1715344), (128, 1608135), (160, 1286508), (192, 1072090), (240, 857672), (320, 643254), (384, 536045), (480, 428836), (640, 321627), (960, 214418), (1920, 107209)]