81136560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9137}}^1$

素因数の和:9190

約数の個数: 80

約数和(自身を含む): 258349536

約数和(自身を除く): 177212976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 9137, 18274, 27411, 36548, 45685, 54822, 73096, 91370, 109644, 137055, 146192, 182740, 219288, 274110, 338069, 365480, 438576, 548220, 676138, 730960, 1014207, 1096440, 1352276, 1690345, 2028414, 2192880, 2704552, 3380690, 4056828, 5071035, 5409104, 6761380, 8113656, 10142070, 13522760, 16227312, 20284140, 27045520, 40568280, 81136560]

約数ペア:

[(1, 81136560), (2, 40568280), (3, 27045520), (4, 20284140), (5, 16227312), (6, 13522760), (8, 10142070), (10, 8113656), (12, 6761380), (15, 5409104), (16, 5071035), (20, 4056828), (24, 3380690), (30, 2704552), (37, 2192880), (40, 2028414), (48, 1690345), (60, 1352276), (74, 1096440), (80, 1014207), (111, 730960), (120, 676138), (148, 548220), (185, 438576), (222, 365480), (240, 338069), (296, 274110), (370, 219288), (444, 182740), (555, 146192), (592, 137055), (740, 109644), (888, 91370), (1110, 73096), (1480, 54822), (1776, 45685), (2220, 36548), (2960, 27411), (4440, 18274), (8880, 9137)]