78999120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109721}}^1$

素因数の和:109740

約数の個数: 60

約数和(自身を含む): 265307796

約数和(自身を除く): 186308676

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, 109721, 219442, 329163, 438884, 548605, 658326, 877768, 987489, 1097210, 1316652, 1645815, 1755536, 1974978, 2194420, 2633304, 3291630, 3949956, 4388840, 4937445, 5266608, 6583260, 7899912, 8777680, 9874890, 13166520, 15799824, 19749780, 26333040, 39499560, 78999120]

約数ペア:

[(1, 78999120), (2, 39499560), (3, 26333040), (4, 19749780), (5, 15799824), (6, 13166520), (8, 9874890), (9, 8777680), (10, 7899912), (12, 6583260), (15, 5266608), (16, 4937445), (18, 4388840), (20, 3949956), (24, 3291630), (30, 2633304), (36, 2194420), (40, 1974978), (45, 1755536), (48, 1645815), (60, 1316652), (72, 1097210), (80, 987489), (90, 877768), (120, 658326), (144, 548605), (180, 438884), (240, 329163), (360, 219442), (720, 109721)]