15396040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3181}}^1$

素因数の和:3214

約数の個数: 48

約数和(自身を含む): 38088540

約数和(自身を除く): 22692500

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3181, 4840, 6362, 12724, 15905, 25448, 31810, 34991, 63620, 69982, 127240, 139964, 174955, 279928, 349910, 384901, 699820, 769802, 1399640, 1539604, 1924505, 3079208, 3849010, 7698020, 15396040]

約数ペア:

[(1, 15396040), (2, 7698020), (4, 3849010), (5, 3079208), (8, 1924505), (10, 1539604), (11, 1399640), (20, 769802), (22, 699820), (40, 384901), (44, 349910), (55, 279928), (88, 174955), (110, 139964), (121, 127240), (220, 69982), (242, 63620), (440, 34991), (484, 31810), (605, 25448), (968, 15905), (1210, 12724), (2420, 6362), (3181, 4840)]