81886320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113731}}^1$

素因数の和:113750

約数の個数: 60

約数和(自身を含む): 275003976

約数和(自身を除く): 193117656

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, 113731, 227462, 341193, 454924, 568655, 682386, 909848, 1023579, 1137310, 1364772, 1705965, 1819696, 2047158, 2274620, 2729544, 3411930, 4094316, 4549240, 5117895, 5459088, 6823860, 8188632, 9098480, 10235790, 13647720, 16377264, 20471580, 27295440, 40943160, 81886320]

約数ペア:

[(1, 81886320), (2, 40943160), (3, 27295440), (4, 20471580), (5, 16377264), (6, 13647720), (8, 10235790), (9, 9098480), (10, 8188632), (12, 6823860), (15, 5459088), (16, 5117895), (18, 4549240), (20, 4094316), (24, 3411930), (30, 2729544), (36, 2274620), (40, 2047158), (45, 1819696), (48, 1705965), (60, 1364772), (72, 1137310), (80, 1023579), (90, 909848), (120, 682386), (144, 568655), (180, 454924), (240, 341193), (360, 227462), (720, 113731)]