28871208720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{40098901}}^1$

素因数の和:40098920

約数の個数: 60

約数和(自身を含む): 96959145036

約数和(自身を除く): 68087936316

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, 40098901, 80197802, 120296703, 160395604, 200494505, 240593406, 320791208, 360890109, 400989010, 481186812, 601483515, 641582416, 721780218, 801978020, 962373624, 1202967030, 1443560436, 1603956040, 1804450545, 1924747248, 2405934060, 2887120872, 3207912080, 3608901090, 4811868120, 5774241744, 7217802180, 9623736240, 14435604360, 28871208720]

約数ペア:

[(1, 28871208720), (2, 14435604360), (3, 9623736240), (4, 7217802180), (5, 5774241744), (6, 4811868120), (8, 3608901090), (9, 3207912080), (10, 2887120872), (12, 2405934060), (15, 1924747248), (16, 1804450545), (18, 1603956040), (20, 1443560436), (24, 1202967030), (30, 962373624), (36, 801978020), (40, 721780218), (45, 641582416), (48, 601483515), (60, 481186812), (72, 400989010), (80, 360890109), (90, 320791208), (120, 240593406), (144, 200494505), (180, 160395604), (240, 120296703), (360, 80197802), (720, 40098901)]