231639120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{321721}}^1$

素因数の和:321740

約数の個数: 60

約数和(自身を含む): 777923796

約数和(自身を除く): 546284676

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 321721, 643442, 965163, 1286884, 1608605, 1930326, 2573768, 2895489, 3217210, 3860652, 4825815, 5147536, 5790978, 6434420, 7721304, 9651630, 11581956, 12868840, 14477445, 15442608, 19303260, 23163912, 25737680, 28954890, 38606520, 46327824, 57909780, 77213040, 115819560, 231639120]

約数ペア:

[(1, 231639120), (2, 115819560), (3, 77213040), (4, 57909780), (5, 46327824), (6, 38606520), (8, 28954890), (9, 25737680), (10, 23163912), (12, 19303260), (15, 15442608), (16, 14477445), (18, 12868840), (20, 11581956), (24, 9651630), (30, 7721304), (36, 6434420), (40, 5790978), (45, 5147536), (48, 4825815), (60, 3860652), (72, 3217210), (80, 2895489), (90, 2573768), (120, 1930326), (144, 1608605), (180, 1286884), (240, 965163), (360, 643442), (720, 321721)]