81636800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 168

約数和(自身を含む): 236975904

約数和(自身を除く): 155339104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 37, 40, 50, 56, 64, 70, 74, 80, 100, 112, 140, 148, 160, 175, 185, 197, 200, 224, 259, 280, 296, 320, 350, 370, 394, 400, 448, 518, 560, 592, 700, 740, 788, 800, 925, 985, 1036, 1120, 1184, 1295, 1379, 1400, 1480, 1576, 1600, 1850, 1970, 2072, 2240, 2368, 2590, 2758, 2800, 2960, 3152, 3700, 3940, 4144, 4925, 5180, 5516, 5600, 5920, 6304, 6475, 6895, 7289, 7400, 7880, 8288, 9850, 10360, 11032, 11200, 11840, 12608, 12950, 13790, 14578, 14800, 15760, 16576, 19700, 20720, 22064, 25900, 27580, 29156, 29600, 31520, 34475, 36445, 39400, 41440, 44128, 51023, 51800, 55160, 58312, 59200, 63040, 68950, 72890, 78800, 82880, 88256, 102046, 103600, 110320, 116624, 137900, 145780, 157600, 182225, 204092, 207200, 220640, 233248, 255115, 275800, 291560, 315200, 364450, 408184, 414400, 441280, 466496, 510230, 551600, 583120, 728900, 816368, 1020460, 1103200, 1166240, 1275575, 1457800, 1632736, 2040920, 2206400, 2332480, 2551150, 2915600, 3265472, 4081840, 5102300, 5831200, 8163680, 10204600, 11662400, 16327360, 20409200, 40818400, 81636800]

約数ペア:

[(1, 81636800), (2, 40818400), (4, 20409200), (5, 16327360), (7, 11662400), (8, 10204600), (10, 8163680), (14, 5831200), (16, 5102300), (20, 4081840), (25, 3265472), (28, 2915600), (32, 2551150), (35, 2332480), (37, 2206400), (40, 2040920), (50, 1632736), (56, 1457800), (64, 1275575), (70, 1166240), (74, 1103200), (80, 1020460), (100, 816368), (112, 728900), (140, 583120), (148, 551600), (160, 510230), (175, 466496), (185, 441280), (197, 414400), (200, 408184), (224, 364450), (259, 315200), (280, 291560), (296, 275800), (320, 255115), (350, 233248), (370, 220640), (394, 207200), (400, 204092), (448, 182225), (518, 157600), (560, 145780), (592, 137900), (700, 116624), (740, 110320), (788, 103600), (800, 102046), (925, 88256), (985, 82880), (1036, 78800), (1120, 72890), (1184, 68950), (1295, 63040), (1379, 59200), (1400, 58312), (1480, 55160), (1576, 51800), (1600, 51023), (1850, 44128), (1970, 41440), (2072, 39400), (2240, 36445), (2368, 34475), (2590, 31520), (2758, 29600), (2800, 29156), (2960, 27580), (3152, 25900), (3700, 22064), (3940, 20720), (4144, 19700), (4925, 16576), (5180, 15760), (5516, 14800), (5600, 14578), (5920, 13790), (6304, 12950), (6475, 12608), (6895, 11840), (7289, 11200), (7400, 11032), (7880, 10360), (8288, 9850)]