18065520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2281}}^1$

素因数の和:2311

約数の個数: 120

約数和(自身を含む): 66214512

約数和(自身を除く): 48148992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2281, 2640, 3960, 4562, 6843, 7920, 9124, 11405, 13686, 18248, 20529, 22810, 25091, 27372, 34215, 36496, 41058, 45620, 50182, 54744, 68430, 75273, 82116, 91240, 100364, 102645, 109488, 125455, 136860, 150546, 164232, 182480, 200728, 205290, 225819, 250910, 273720, 301092, 328464, 376365, 401456, 410580, 451638, 501820, 547440, 602184, 752730, 821160, 903276, 1003640, 1129095, 1204368, 1505460, 1642320, 1806552, 2007280, 2258190, 3010920, 3613104, 4516380, 6021840, 9032760, 18065520]

約数ペア:

[(1, 18065520), (2, 9032760), (3, 6021840), (4, 4516380), (5, 3613104), (6, 3010920), (8, 2258190), (9, 2007280), (10, 1806552), (11, 1642320), (12, 1505460), (15, 1204368), (16, 1129095), (18, 1003640), (20, 903276), (22, 821160), (24, 752730), (30, 602184), (33, 547440), (36, 501820), (40, 451638), (44, 410580), (45, 401456), (48, 376365), (55, 328464), (60, 301092), (66, 273720), (72, 250910), (80, 225819), (88, 205290), (90, 200728), (99, 182480), (110, 164232), (120, 150546), (132, 136860), (144, 125455), (165, 109488), (176, 102645), (180, 100364), (198, 91240), (220, 82116), (240, 75273), (264, 68430), (330, 54744), (360, 50182), (396, 45620), (440, 41058), (495, 36496), (528, 34215), (660, 27372), (720, 25091), (792, 22810), (880, 20529), (990, 18248), (1320, 13686), (1584, 11405), (1980, 9124), (2281, 7920), (2640, 6843), (3960, 4562)]