1390270562640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{643643779}}^1$

素因数の和:643643801

約数の個数: 80

約数和(自身を含む): 4788709723200

約数和(自身を除く): 3398439160560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 643643779, 1287287558, 1930931337, 2574575116, 3218218895, 3861862674, 5149150232, 5792794011, 6436437790, 7723725348, 9654656685, 10298300464, 11585588022, 12872875580, 15447450696, 17378382033, 19309313370, 23171176044, 25745751160, 28963970055, 30894901392, 34756764066, 38618626740, 46342352088, 51491502320, 57927940110, 69513528132, 77237253480, 86891910165, 92684704176, 115855880220, 139027056264, 154474506960, 173783820330, 231711760440, 278054112528, 347567640660, 463423520880, 695135281320, 1390270562640]

約数ペア:

[(1, 1390270562640), (2, 695135281320), (3, 463423520880), (4, 347567640660), (5, 278054112528), (6, 231711760440), (8, 173783820330), (9, 154474506960), (10, 139027056264), (12, 115855880220), (15, 92684704176), (16, 86891910165), (18, 77237253480), (20, 69513528132), (24, 57927940110), (27, 51491502320), (30, 46342352088), (36, 38618626740), (40, 34756764066), (45, 30894901392), (48, 28963970055), (54, 25745751160), (60, 23171176044), (72, 19309313370), (80, 17378382033), (90, 15447450696), (108, 12872875580), (120, 11585588022), (135, 10298300464), (144, 9654656685), (180, 7723725348), (216, 6436437790), (240, 5792794011), (270, 5149150232), (360, 3861862674), (432, 3218218895), (540, 2574575116), (720, 1930931337), (1080, 1287287558), (2160, 643643779)]