15390320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17489}}^1$

素因数の和:17513

約数の個数: 40

約数和(自身を含む): 39037680

約数和(自身を除く): 23647360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 17489, 34978, 69956, 87445, 139912, 174890, 192379, 279824, 349780, 384758, 699560, 769516, 961895, 1399120, 1539032, 1923790, 3078064, 3847580, 7695160, 15390320]

約数ペア:

[(1, 15390320), (2, 7695160), (4, 3847580), (5, 3078064), (8, 1923790), (10, 1539032), (11, 1399120), (16, 961895), (20, 769516), (22, 699560), (40, 384758), (44, 349780), (55, 279824), (80, 192379), (88, 174890), (110, 139912), (176, 87445), (220, 69956), (440, 34978), (880, 17489)]