208575180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{105341}}^1$

素因数の和:105367

約数の個数: 72

約数和(自身を含む): 690200784

約数和(自身を除く): 481625604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 105341, 210682, 316023, 421364, 526705, 632046, 948069, 1053410, 1158751, 1264092, 1580115, 1896138, 2106820, 2317502, 3160230, 3476253, 3792276, 4635004, 4740345, 5793755, 6320460, 6952506, 9480690, 10428759, 11587510, 13905012, 17381265, 18961380, 20857518, 23175020, 34762530, 41715036, 52143795, 69525060, 104287590, 208575180]

約数ペア:

[(1, 208575180), (2, 104287590), (3, 69525060), (4, 52143795), (5, 41715036), (6, 34762530), (9, 23175020), (10, 20857518), (11, 18961380), (12, 17381265), (15, 13905012), (18, 11587510), (20, 10428759), (22, 9480690), (30, 6952506), (33, 6320460), (36, 5793755), (44, 4740345), (45, 4635004), (55, 3792276), (60, 3476253), (66, 3160230), (90, 2317502), (99, 2106820), (110, 1896138), (132, 1580115), (165, 1264092), (180, 1158751), (198, 1053410), (220, 948069), (330, 632046), (396, 526705), (495, 421364), (660, 316023), (990, 210682), (1980, 105341)]