81444240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113117}}^1$

素因数の和:113136

約数の個数: 60

約数和(自身を含む): 273519324

約数和(自身を除く): 192075084

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, 113117, 226234, 339351, 452468, 565585, 678702, 904936, 1018053, 1131170, 1357404, 1696755, 1809872, 2036106, 2262340, 2714808, 3393510, 4072212, 4524680, 5090265, 5429616, 6787020, 8144424, 9049360, 10180530, 13574040, 16288848, 20361060, 27148080, 40722120, 81444240]

約数ペア:

[(1, 81444240), (2, 40722120), (3, 27148080), (4, 20361060), (5, 16288848), (6, 13574040), (8, 10180530), (9, 9049360), (10, 8144424), (12, 6787020), (15, 5429616), (16, 5090265), (18, 4524680), (20, 4072212), (24, 3393510), (30, 2714808), (36, 2262340), (40, 2036106), (45, 1809872), (48, 1696755), (60, 1357404), (72, 1131170), (80, 1018053), (90, 904936), (120, 678702), (144, 565585), (180, 452468), (240, 339351), (360, 226234), (720, 113117)]