15691260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20117}}^1$

素因数の和:20142

約数の個数: 48

約数和(自身を含む): 47317536

約数和(自身を除く): 31626276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20117, 40234, 60351, 80468, 100585, 120702, 201170, 241404, 261521, 301755, 402340, 523042, 603510, 784563, 1046084, 1207020, 1307605, 1569126, 2615210, 3138252, 3922815, 5230420, 7845630, 15691260]

約数ペア:

[(1, 15691260), (2, 7845630), (3, 5230420), (4, 3922815), (5, 3138252), (6, 2615210), (10, 1569126), (12, 1307605), (13, 1207020), (15, 1046084), (20, 784563), (26, 603510), (30, 523042), (39, 402340), (52, 301755), (60, 261521), (65, 241404), (78, 201170), (130, 120702), (156, 100585), (195, 80468), (260, 60351), (390, 40234), (780, 20117)]