661925880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23879}}^1$

素因数の和:23914

約数の個数: 192

約数和(自身を含む): 2682201600

約数和(自身を除く): 2020275720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1540, 1848, 1980, 2310, 2520, 2772, 3080, 3465, 3960, 4620, 5544, 6930, 9240, 13860, 23879, 27720, 47758, 71637, 95516, 119395, 143274, 167153, 191032, 214911, 238790, 262669, 286548, 334306, 358185, 429822, 477580, 501459, 525338, 573096, 668612, 716370, 788007, 835765, 859644, 955160, 1002918, 1050676, 1074555, 1313345, 1337224, 1432740, 1504377, 1576014, 1671530, 1719288, 1838683, 2005836, 2101352, 2149110, 2364021, 2507295, 2626690, 2865480, 3008754, 3152028, 3343060, 3677366, 3940035, 4011672, 4298220, 4728042, 5014590, 5253380, 5516049, 6017508, 6304056, 6686120, 7354732, 7521885, 7880070, 8596440, 9193415, 9456084, 10029180, 10506760, 11032098, 11820105, 12035016, 14709464, 15043770, 15760140, 16548147, 18386830, 18912168, 20058360, 22064196, 23640210, 27580245, 30087540, 31520280, 33096294, 36773660, 44128392, 47280420, 55160490, 60175080, 66192588, 73547320, 82740735, 94560840, 110320980, 132385176, 165481470, 220641960, 330962940, 661925880]

約数ペア:

[(1, 661925880), (2, 330962940), (3, 220641960), (4, 165481470), (5, 132385176), (6, 110320980), (7, 94560840), (8, 82740735), (9, 73547320), (10, 66192588), (11, 60175080), (12, 55160490), (14, 47280420), (15, 44128392), (18, 36773660), (20, 33096294), (21, 31520280), (22, 30087540), (24, 27580245), (28, 23640210), (30, 22064196), (33, 20058360), (35, 18912168), (36, 18386830), (40, 16548147), (42, 15760140), (44, 15043770), (45, 14709464), (55, 12035016), (56, 11820105), (60, 11032098), (63, 10506760), (66, 10029180), (70, 9456084), (72, 9193415), (77, 8596440), (84, 7880070), (88, 7521885), (90, 7354732), (99, 6686120), (105, 6304056), (110, 6017508), (120, 5516049), (126, 5253380), (132, 5014590), (140, 4728042), (154, 4298220), (165, 4011672), (168, 3940035), (180, 3677366), (198, 3343060), (210, 3152028), (220, 3008754), (231, 2865480), (252, 2626690), (264, 2507295), (280, 2364021), (308, 2149110), (315, 2101352), (330, 2005836), (360, 1838683), (385, 1719288), (396, 1671530), (420, 1576014), (440, 1504377), (462, 1432740), (495, 1337224), (504, 1313345), (616, 1074555), (630, 1050676), (660, 1002918), (693, 955160), (770, 859644), (792, 835765), (840, 788007), (924, 716370), (990, 668612), (1155, 573096), (1260, 525338), (1320, 501459), (1386, 477580), (1540, 429822), (1848, 358185), (1980, 334306), (2310, 286548), (2520, 262669), (2772, 238790), (3080, 214911), (3465, 191032), (3960, 167153), (4620, 143274), (5544, 119395), (6930, 95516), (9240, 71637), (13860, 47758), (23879, 27720)]