1239800960

素因数分解:

$2^7\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1489}}^1$

素因数の和:2809

約数の個数: 64

約数和(自身を含む): 2968169400

約数和(自身を除く): 1728368440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1301, 1489, 2602, 2978, 5204, 5956, 6505, 7445, 10408, 11912, 13010, 14890, 20816, 23824, 26020, 29780, 41632, 47648, 52040, 59560, 83264, 95296, 104080, 119120, 166528, 190592, 208160, 238240, 416320, 476480, 832640, 952960, 1937189, 3874378, 7748756, 9685945, 15497512, 19371890, 30995024, 38743780, 61990048, 77487560, 123980096, 154975120, 247960192, 309950240, 619900480, 1239800960]

約数ペア:

[(1, 1239800960), (2, 619900480), (4, 309950240), (5, 247960192), (8, 154975120), (10, 123980096), (16, 77487560), (20, 61990048), (32, 38743780), (40, 30995024), (64, 19371890), (80, 15497512), (128, 9685945), (160, 7748756), (320, 3874378), (640, 1937189), (1301, 952960), (1489, 832640), (2602, 476480), (2978, 416320), (5204, 238240), (5956, 208160), (6505, 190592), (7445, 166528), (10408, 119120), (11912, 104080), (13010, 95296), (14890, 83264), (20816, 59560), (23824, 52040), (26020, 47648), (29780, 41632)]