1985760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 7783776

約数和(自身を除く): 5798016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 197, 210, 224, 240, 252, 280, 288, 315, 336, 360, 394, 420, 480, 504, 560, 591, 630, 672, 720, 788, 840, 985, 1008, 1120, 1182, 1260, 1379, 1440, 1576, 1680, 1773, 1970, 2016, 2364, 2520, 2758, 2955, 3152, 3360, 3546, 3940, 4137, 4728, 5040, 5516, 5910, 6304, 6895, 7092, 7880, 8274, 8865, 9456, 10080, 11032, 11820, 12411, 13790, 14184, 15760, 16548, 17730, 18912, 20685, 22064, 23640, 24822, 27580, 28368, 31520, 33096, 35460, 41370, 44128, 47280, 49644, 55160, 56736, 62055, 66192, 70920, 82740, 94560, 99288, 110320, 124110, 132384, 141840, 165480, 198576, 220640, 248220, 283680, 330960, 397152, 496440, 661920, 992880, 1985760]

約数ペア:

[(1, 1985760), (2, 992880), (3, 661920), (4, 496440), (5, 397152), (6, 330960), (7, 283680), (8, 248220), (9, 220640), (10, 198576), (12, 165480), (14, 141840), (15, 132384), (16, 124110), (18, 110320), (20, 99288), (21, 94560), (24, 82740), (28, 70920), (30, 66192), (32, 62055), (35, 56736), (36, 55160), (40, 49644), (42, 47280), (45, 44128), (48, 41370), (56, 35460), (60, 33096), (63, 31520), (70, 28368), (72, 27580), (80, 24822), (84, 23640), (90, 22064), (96, 20685), (105, 18912), (112, 17730), (120, 16548), (126, 15760), (140, 14184), (144, 13790), (160, 12411), (168, 11820), (180, 11032), (197, 10080), (210, 9456), (224, 8865), (240, 8274), (252, 7880), (280, 7092), (288, 6895), (315, 6304), (336, 5910), (360, 5516), (394, 5040), (420, 4728), (480, 4137), (504, 3940), (560, 3546), (591, 3360), (630, 3152), (672, 2955), (720, 2758), (788, 2520), (840, 2364), (985, 2016), (1008, 1970), (1120, 1773), (1182, 1680), (1260, 1576), (1379, 1440)]