72480760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164729}}^1$

素因数の和:164751

約数の個数: 32

約数和(自身を含む): 177908400

約数和(自身を除く): 105427640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164729, 329458, 658916, 823645, 1317832, 1647290, 1812019, 3294580, 3624038, 6589160, 7248076, 9060095, 14496152, 18120190, 36240380, 72480760]

約数ペア:

[(1, 72480760), (2, 36240380), (4, 18120190), (5, 14496152), (8, 9060095), (10, 7248076), (11, 6589160), (20, 3624038), (22, 3294580), (40, 1812019), (44, 1647290), (55, 1317832), (88, 823645), (110, 658916), (220, 329458), (440, 164729)]