319880640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{333209}}^1$

素因数の和:333229

約数の個数: 56

約数和(自身を含む): 1015624080

約数和(自身を除く): 695743440

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, 160, 192, 240, 320, 480, 960, 333209, 666418, 999627, 1332836, 1666045, 1999254, 2665672, 3332090, 3998508, 4998135, 5331344, 6664180, 7997016, 9996270, 10662688, 13328360, 15994032, 19992540, 21325376, 26656720, 31988064, 39985080, 53313440, 63976128, 79970160, 106626880, 159940320, 319880640]

約数ペア:

[(1, 319880640), (2, 159940320), (3, 106626880), (4, 79970160), (5, 63976128), (6, 53313440), (8, 39985080), (10, 31988064), (12, 26656720), (15, 21325376), (16, 19992540), (20, 15994032), (24, 13328360), (30, 10662688), (32, 9996270), (40, 7997016), (48, 6664180), (60, 5331344), (64, 4998135), (80, 3998508), (96, 3332090), (120, 2665672), (160, 1999254), (192, 1666045), (240, 1332836), (320, 999627), (480, 666418), (960, 333209)]