81662700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1112

約数の個数: 144

約数和(自身を含む): 277593344

約数和(自身を除く): 195930644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 37, 42, 50, 60, 70, 74, 75, 84, 100, 105, 111, 140, 148, 150, 175, 185, 210, 222, 259, 300, 350, 370, 420, 444, 518, 525, 555, 700, 740, 777, 925, 1036, 1050, 1051, 1110, 1295, 1554, 1850, 2100, 2102, 2220, 2590, 2775, 3108, 3153, 3700, 3885, 4204, 5180, 5255, 5550, 6306, 6475, 7357, 7770, 10510, 11100, 12612, 12950, 14714, 15540, 15765, 19425, 21020, 22071, 25900, 26275, 29428, 31530, 36785, 38850, 38887, 44142, 52550, 63060, 73570, 77700, 77774, 78825, 88284, 105100, 110355, 116661, 147140, 155548, 157650, 183925, 194435, 220710, 233322, 272209, 315300, 367850, 388870, 441420, 466644, 544418, 551775, 583305, 735700, 777740, 816627, 972175, 1088836, 1103550, 1166610, 1361045, 1633254, 1944350, 2207100, 2333220, 2722090, 2916525, 3266508, 3888700, 4083135, 5444180, 5833050, 6805225, 8166270, 11666100, 13610450, 16332540, 20415675, 27220900, 40831350, 81662700]

約数ペア:

[(1, 81662700), (2, 40831350), (3, 27220900), (4, 20415675), (5, 16332540), (6, 13610450), (7, 11666100), (10, 8166270), (12, 6805225), (14, 5833050), (15, 5444180), (20, 4083135), (21, 3888700), (25, 3266508), (28, 2916525), (30, 2722090), (35, 2333220), (37, 2207100), (42, 1944350), (50, 1633254), (60, 1361045), (70, 1166610), (74, 1103550), (75, 1088836), (84, 972175), (100, 816627), (105, 777740), (111, 735700), (140, 583305), (148, 551775), (150, 544418), (175, 466644), (185, 441420), (210, 388870), (222, 367850), (259, 315300), (300, 272209), (350, 233322), (370, 220710), (420, 194435), (444, 183925), (518, 157650), (525, 155548), (555, 147140), (700, 116661), (740, 110355), (777, 105100), (925, 88284), (1036, 78825), (1050, 77774), (1051, 77700), (1110, 73570), (1295, 63060), (1554, 52550), (1850, 44142), (2100, 38887), (2102, 38850), (2220, 36785), (2590, 31530), (2775, 29428), (3108, 26275), (3153, 25900), (3700, 22071), (3885, 21020), (4204, 19425), (5180, 15765), (5255, 15540), (5550, 14714), (6306, 12950), (6475, 12612), (7357, 11100), (7770, 10510)]