81459180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41141}}^1$

素因数の和:41167

約数の個数: 72

約数和(自身を含む): 269562384

約数和(自身を除く): 188103204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 41141, 82282, 123423, 164564, 205705, 246846, 370269, 411410, 452551, 493692, 617115, 740538, 822820, 905102, 1234230, 1357653, 1481076, 1810204, 1851345, 2262755, 2468460, 2715306, 3702690, 4072959, 4525510, 5430612, 6788265, 7405380, 8145918, 9051020, 13576530, 16291836, 20364795, 27153060, 40729590, 81459180]

約数ペア:

[(1, 81459180), (2, 40729590), (3, 27153060), (4, 20364795), (5, 16291836), (6, 13576530), (9, 9051020), (10, 8145918), (11, 7405380), (12, 6788265), (15, 5430612), (18, 4525510), (20, 4072959), (22, 3702690), (30, 2715306), (33, 2468460), (36, 2262755), (44, 1851345), (45, 1810204), (55, 1481076), (60, 1357653), (66, 1234230), (90, 905102), (99, 822820), (110, 740538), (132, 617115), (165, 493692), (180, 452551), (198, 411410), (220, 370269), (330, 246846), (396, 205705), (495, 164564), (660, 123423), (990, 82282), (1980, 41141)]