66440000

素因数分解:

$2^6\times 5^4\times {\mathrm{11}}^1\times {\mathrm{151}}^1$

素因数の和:194

約数の個数: 140

約数和(自身を含む): 180917088

約数和(自身を除く): 114477088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 151, 160, 176, 200, 220, 250, 275, 302, 320, 352, 400, 440, 500, 550, 604, 625, 704, 755, 800, 880, 1000, 1100, 1208, 1250, 1375, 1510, 1600, 1661, 1760, 2000, 2200, 2416, 2500, 2750, 3020, 3322, 3520, 3775, 4000, 4400, 4832, 5000, 5500, 6040, 6644, 6875, 7550, 8000, 8305, 8800, 9664, 10000, 11000, 12080, 13288, 13750, 15100, 16610, 17600, 18875, 20000, 22000, 24160, 26576, 27500, 30200, 33220, 37750, 40000, 41525, 44000, 48320, 53152, 55000, 60400, 66440, 75500, 83050, 88000, 94375, 106304, 110000, 120800, 132880, 151000, 166100, 188750, 207625, 220000, 241600, 265760, 302000, 332200, 377500, 415250, 440000, 531520, 604000, 664400, 755000, 830500, 1038125, 1208000, 1328800, 1510000, 1661000, 2076250, 2657600, 3020000, 3322000, 4152500, 6040000, 6644000, 8305000, 13288000, 16610000, 33220000, 66440000]

約数ペア:

[(1, 66440000), (2, 33220000), (4, 16610000), (5, 13288000), (8, 8305000), (10, 6644000), (11, 6040000), (16, 4152500), (20, 3322000), (22, 3020000), (25, 2657600), (32, 2076250), (40, 1661000), (44, 1510000), (50, 1328800), (55, 1208000), (64, 1038125), (80, 830500), (88, 755000), (100, 664400), (110, 604000), (125, 531520), (151, 440000), (160, 415250), (176, 377500), (200, 332200), (220, 302000), (250, 265760), (275, 241600), (302, 220000), (320, 207625), (352, 188750), (400, 166100), (440, 151000), (500, 132880), (550, 120800), (604, 110000), (625, 106304), (704, 94375), (755, 88000), (800, 83050), (880, 75500), (1000, 66440), (1100, 60400), (1208, 55000), (1250, 53152), (1375, 48320), (1510, 44000), (1600, 41525), (1661, 40000), (1760, 37750), (2000, 33220), (2200, 30200), (2416, 27500), (2500, 26576), (2750, 24160), (3020, 22000), (3322, 20000), (3520, 18875), (3775, 17600), (4000, 16610), (4400, 15100), (4832, 13750), (5000, 13288), (5500, 12080), (6040, 11000), (6644, 10000), (6875, 9664), (7550, 8800), (8000, 8305)]