27781260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35617}}^1$

素因数の和:35642

約数の個数: 48

約数和(自身を含む): 83773536

約数和(自身を除く): 55992276

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, 35617, 71234, 106851, 142468, 178085, 213702, 356170, 427404, 463021, 534255, 712340, 926042, 1068510, 1389063, 1852084, 2137020, 2315105, 2778126, 4630210, 5556252, 6945315, 9260420, 13890630, 27781260]

約数ペア:

[(1, 27781260), (2, 13890630), (3, 9260420), (4, 6945315), (5, 5556252), (6, 4630210), (10, 2778126), (12, 2315105), (13, 2137020), (15, 1852084), (20, 1389063), (26, 1068510), (30, 926042), (39, 712340), (52, 534255), (60, 463021), (65, 427404), (78, 356170), (130, 213702), (156, 178085), (195, 142468), (260, 106851), (390, 71234), (780, 35617)]