15512420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1439}}^1$

素因数の和:1473

約数の個数: 72

約数和(自身を含む): 41368320

約数和(自身を除く): 25855900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1439, 1540, 2156, 2695, 2878, 5390, 5756, 7195, 10073, 10780, 14390, 15829, 20146, 28780, 31658, 40292, 50365, 63316, 70511, 79145, 100730, 110803, 141022, 158290, 201460, 221606, 282044, 316580, 352555, 443212, 554015, 705110, 775621, 1108030, 1410220, 1551242, 2216060, 3102484, 3878105, 7756210, 15512420]

約数ペア:

[(1, 15512420), (2, 7756210), (4, 3878105), (5, 3102484), (7, 2216060), (10, 1551242), (11, 1410220), (14, 1108030), (20, 775621), (22, 705110), (28, 554015), (35, 443212), (44, 352555), (49, 316580), (55, 282044), (70, 221606), (77, 201460), (98, 158290), (110, 141022), (140, 110803), (154, 100730), (196, 79145), (220, 70511), (245, 63316), (308, 50365), (385, 40292), (490, 31658), (539, 28780), (770, 20146), (980, 15829), (1078, 14390), (1439, 10780), (1540, 10073), (2156, 7195), (2695, 5756), (2878, 5390)]