21740640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45293}}^1$

素因数の和:45311

約数の個数: 48

約数和(自身を含む): 68484528

約数和(自身を除く): 46743888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45293, 90586, 135879, 181172, 226465, 271758, 362344, 452930, 543516, 679395, 724688, 905860, 1087032, 1358790, 1449376, 1811720, 2174064, 2717580, 3623440, 4348128, 5435160, 7246880, 10870320, 21740640]

約数ペア:

[(1, 21740640), (2, 10870320), (3, 7246880), (4, 5435160), (5, 4348128), (6, 3623440), (8, 2717580), (10, 2174064), (12, 1811720), (15, 1449376), (16, 1358790), (20, 1087032), (24, 905860), (30, 724688), (32, 679395), (40, 543516), (48, 452930), (60, 362344), (80, 271758), (96, 226465), (120, 181172), (160, 135879), (240, 90586), (480, 45293)]