66790980

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{509}}^1$

素因数の和:542

約数の個数: 108

約数和(自身を含む): 210794220

約数和(自身を除く): 144003240

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 509, 540, 729, 810, 972, 1018, 1215, 1458, 1527, 1620, 2036, 2187, 2430, 2545, 2916, 3054, 3645, 4374, 4581, 4860, 5090, 6108, 6561, 7290, 7635, 8748, 9162, 10180, 10935, 13122, 13743, 14580, 15270, 18324, 21870, 22905, 26244, 27486, 30540, 32805, 41229, 43740, 45810, 54972, 65610, 68715, 82458, 91620, 123687, 131220, 137430, 164916, 206145, 247374, 274860, 371061, 412290, 494748, 618435, 742122, 824580, 1113183, 1236870, 1484244, 1855305, 2226366, 2473740, 3339549, 3710610, 4452732, 5565915, 6679098, 7421220, 11131830, 13358196, 16697745, 22263660, 33395490, 66790980]

約数ペア:

[(1, 66790980), (2, 33395490), (3, 22263660), (4, 16697745), (5, 13358196), (6, 11131830), (9, 7421220), (10, 6679098), (12, 5565915), (15, 4452732), (18, 3710610), (20, 3339549), (27, 2473740), (30, 2226366), (36, 1855305), (45, 1484244), (54, 1236870), (60, 1113183), (81, 824580), (90, 742122), (108, 618435), (135, 494748), (162, 412290), (180, 371061), (243, 274860), (270, 247374), (324, 206145), (405, 164916), (486, 137430), (509, 131220), (540, 123687), (729, 91620), (810, 82458), (972, 68715), (1018, 65610), (1215, 54972), (1458, 45810), (1527, 43740), (1620, 41229), (2036, 32805), (2187, 30540), (2430, 27486), (2545, 26244), (2916, 22905), (3054, 21870), (3645, 18324), (4374, 15270), (4581, 14580), (4860, 13743), (5090, 13122), (6108, 10935), (6561, 10180), (7290, 9162), (7635, 8748)]