211505760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{769}}^1$

素因数の和:981

約数の個数: 144

約数和(自身を含む): 726485760

約数和(自身を除く): 514980000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 191, 240, 288, 360, 382, 480, 573, 720, 764, 769, 955, 1146, 1440, 1528, 1538, 1719, 1910, 2292, 2307, 2865, 3056, 3076, 3438, 3820, 3845, 4584, 4614, 5730, 6112, 6152, 6876, 6921, 7640, 7690, 8595, 9168, 9228, 11460, 11535, 12304, 13752, 13842, 15280, 15380, 17190, 18336, 18456, 22920, 23070, 24608, 27504, 27684, 30560, 30760, 34380, 34605, 36912, 45840, 46140, 55008, 55368, 61520, 68760, 69210, 73824, 91680, 92280, 110736, 123040, 137520, 138420, 146879, 184560, 221472, 275040, 276840, 293758, 369120, 440637, 553680, 587516, 734395, 881274, 1107360, 1175032, 1321911, 1468790, 1762548, 2203185, 2350064, 2643822, 2937580, 3525096, 4406370, 4700128, 5287644, 5875160, 6609555, 7050192, 8812740, 10575288, 11750320, 13219110, 14100384, 17625480, 21150576, 23500640, 26438220, 35250960, 42301152, 52876440, 70501920, 105752880, 211505760]

約数ペア:

[(1, 211505760), (2, 105752880), (3, 70501920), (4, 52876440), (5, 42301152), (6, 35250960), (8, 26438220), (9, 23500640), (10, 21150576), (12, 17625480), (15, 14100384), (16, 13219110), (18, 11750320), (20, 10575288), (24, 8812740), (30, 7050192), (32, 6609555), (36, 5875160), (40, 5287644), (45, 4700128), (48, 4406370), (60, 3525096), (72, 2937580), (80, 2643822), (90, 2350064), (96, 2203185), (120, 1762548), (144, 1468790), (160, 1321911), (180, 1175032), (191, 1107360), (240, 881274), (288, 734395), (360, 587516), (382, 553680), (480, 440637), (573, 369120), (720, 293758), (764, 276840), (769, 275040), (955, 221472), (1146, 184560), (1440, 146879), (1528, 138420), (1538, 137520), (1719, 123040), (1910, 110736), (2292, 92280), (2307, 91680), (2865, 73824), (3056, 69210), (3076, 68760), (3438, 61520), (3820, 55368), (3845, 55008), (4584, 46140), (4614, 45840), (5730, 36912), (6112, 34605), (6152, 34380), (6876, 30760), (6921, 30560), (7640, 27684), (7690, 27504), (8595, 24608), (9168, 23070), (9228, 22920), (11460, 18456), (11535, 18336), (12304, 17190), (13752, 15380), (13842, 15280)]