1998379080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{17293}}^1$

素因数の和:17420

約数の個数: 128

約数和(自身を含む): 6723907200

約数和(自身を除く): 4725528120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 107, 108, 120, 135, 180, 214, 216, 270, 321, 360, 428, 535, 540, 642, 856, 963, 1070, 1080, 1284, 1605, 1926, 2140, 2568, 2889, 3210, 3852, 4280, 4815, 5778, 6420, 7704, 9630, 11556, 12840, 14445, 17293, 19260, 23112, 28890, 34586, 38520, 51879, 57780, 69172, 86465, 103758, 115560, 138344, 155637, 172930, 207516, 259395, 311274, 345860, 415032, 466911, 518790, 622548, 691720, 778185, 933822, 1037580, 1245096, 1556370, 1850351, 1867644, 2075160, 2334555, 3112740, 3700702, 3735288, 4669110, 5551053, 6225480, 7401404, 9251755, 9338220, 11102106, 14802808, 16653159, 18503510, 18676440, 22204212, 27755265, 33306318, 37007020, 44408424, 49959477, 55510530, 66612636, 74014040, 83265795, 99918954, 111021060, 133225272, 166531590, 199837908, 222042120, 249797385, 333063180, 399675816, 499594770, 666126360, 999189540, 1998379080]

約数ペア:

[(1, 1998379080), (2, 999189540), (3, 666126360), (4, 499594770), (5, 399675816), (6, 333063180), (8, 249797385), (9, 222042120), (10, 199837908), (12, 166531590), (15, 133225272), (18, 111021060), (20, 99918954), (24, 83265795), (27, 74014040), (30, 66612636), (36, 55510530), (40, 49959477), (45, 44408424), (54, 37007020), (60, 33306318), (72, 27755265), (90, 22204212), (107, 18676440), (108, 18503510), (120, 16653159), (135, 14802808), (180, 11102106), (214, 9338220), (216, 9251755), (270, 7401404), (321, 6225480), (360, 5551053), (428, 4669110), (535, 3735288), (540, 3700702), (642, 3112740), (856, 2334555), (963, 2075160), (1070, 1867644), (1080, 1850351), (1284, 1556370), (1605, 1245096), (1926, 1037580), (2140, 933822), (2568, 778185), (2889, 691720), (3210, 622548), (3852, 518790), (4280, 466911), (4815, 415032), (5778, 345860), (6420, 311274), (7704, 259395), (9630, 207516), (11556, 172930), (12840, 155637), (14445, 138344), (17293, 115560), (19260, 103758), (23112, 86465), (28890, 69172), (34586, 57780), (38520, 51879)]