205171440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{854881}}^1$

素因数の和:854897

約数の個数: 40

約数和(自身を含む): 636032208

約数和(自身を除く): 430860768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 854881, 1709762, 2564643, 3419524, 4274405, 5129286, 6839048, 8548810, 10258572, 12823215, 13678096, 17097620, 20517144, 25646430, 34195240, 41034288, 51292860, 68390480, 102585720, 205171440]

約数ペア:

[(1, 205171440), (2, 102585720), (3, 68390480), (4, 51292860), (5, 41034288), (6, 34195240), (8, 25646430), (10, 20517144), (12, 17097620), (15, 13678096), (16, 12823215), (20, 10258572), (24, 8548810), (30, 6839048), (40, 5129286), (48, 4274405), (60, 3419524), (80, 2564643), (120, 1709762), (240, 854881)]