12961020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 36455328

約数和(自身を除く): 23494308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 641, 674, 1011, 1282, 1348, 1685, 1923, 2022, 2564, 3205, 3370, 3846, 4044, 5055, 6410, 6740, 7692, 9615, 10110, 12820, 19230, 20220, 38460, 216017, 432034, 648051, 864068, 1080085, 1296102, 2160170, 2592204, 3240255, 4320340, 6480510, 12961020]

約数ペア:

[(1, 12961020), (2, 6480510), (3, 4320340), (4, 3240255), (5, 2592204), (6, 2160170), (10, 1296102), (12, 1080085), (15, 864068), (20, 648051), (30, 432034), (60, 216017), (337, 38460), (641, 20220), (674, 19230), (1011, 12820), (1282, 10110), (1348, 9615), (1685, 7692), (1923, 6740), (2022, 6410), (2564, 5055), (3205, 4044), (3370, 3846)]