320470995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 588470400

約数和(自身を除く): 267999405

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 277, 349, 663, 831, 1047, 1105, 1385, 1745, 3315, 3601, 4155, 4537, 4709, 5235, 5933, 10803, 13611, 14127, 17799, 18005, 22685, 23545, 29665, 54015, 61217, 68055, 70635, 77129, 88995, 96673, 183651, 231387, 290019, 306085, 385645, 483365, 918255, 1156935, 1256749, 1450095, 1643441, 3770247, 4930323, 6283745, 8217205, 18851235, 21364733, 24651615, 64094199, 106823665, 320470995]

約数ペア:

[(1, 320470995), (3, 106823665), (5, 64094199), (13, 24651615), (15, 21364733), (17, 18851235), (39, 8217205), (51, 6283745), (65, 4930323), (85, 3770247), (195, 1643441), (221, 1450095), (255, 1256749), (277, 1156935), (349, 918255), (663, 483365), (831, 385645), (1047, 306085), (1105, 290019), (1385, 231387), (1745, 183651), (3315, 96673), (3601, 88995), (4155, 77129), (4537, 70635), (4709, 68055), (5235, 61217), (5933, 54015), (10803, 29665), (13611, 23545), (14127, 22685), (17799, 18005)]