198278640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{39341}}^1$

素因数の和:39367

約数の個数: 120

約数和(自身を含む): 761031648

約数和(自身を除く): 562753008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 39341, 78682, 118023, 157364, 196705, 236046, 275387, 314728, 354069, 393410, 472092, 550774, 590115, 629456, 708138, 786820, 826161, 944184, 1101548, 1180230, 1376935, 1416276, 1573640, 1652322, 1770345, 1888368, 2203096, 2360460, 2478483, 2753870, 2832552, 3147280, 3304644, 3540690, 4130805, 4406192, 4720920, 4956966, 5507740, 5665104, 6609288, 7081380, 8261610, 9441840, 9913932, 11015480, 12392415, 13218576, 14162760, 16523220, 19827864, 22030960, 24784830, 28325520, 33046440, 39655728, 49569660, 66092880, 99139320, 198278640]

約数ペア:

[(1, 198278640), (2, 99139320), (3, 66092880), (4, 49569660), (5, 39655728), (6, 33046440), (7, 28325520), (8, 24784830), (9, 22030960), (10, 19827864), (12, 16523220), (14, 14162760), (15, 13218576), (16, 12392415), (18, 11015480), (20, 9913932), (21, 9441840), (24, 8261610), (28, 7081380), (30, 6609288), (35, 5665104), (36, 5507740), (40, 4956966), (42, 4720920), (45, 4406192), (48, 4130805), (56, 3540690), (60, 3304644), (63, 3147280), (70, 2832552), (72, 2753870), (80, 2478483), (84, 2360460), (90, 2203096), (105, 1888368), (112, 1770345), (120, 1652322), (126, 1573640), (140, 1416276), (144, 1376935), (168, 1180230), (180, 1101548), (210, 944184), (240, 826161), (252, 786820), (280, 708138), (315, 629456), (336, 590115), (360, 550774), (420, 472092), (504, 393410), (560, 354069), (630, 314728), (720, 275387), (840, 236046), (1008, 196705), (1260, 157364), (1680, 118023), (2520, 78682), (5040, 39341)]