165480

素因数分解:

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

素因数の和:218

約数の個数: 64

約数和(自身を含む): 570240

約数和(自身を除く): 404760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1379, 1576, 1970, 2364, 2758, 2955, 3940, 4137, 4728, 5516, 5910, 6895, 7880, 8274, 11032, 11820, 13790, 16548, 20685, 23640, 27580, 33096, 41370, 55160, 82740, 165480]

約数ペア:

[(1, 165480), (2, 82740), (3, 55160), (4, 41370), (5, 33096), (6, 27580), (7, 23640), (8, 20685), (10, 16548), (12, 13790), (14, 11820), (15, 11032), (20, 8274), (21, 7880), (24, 6895), (28, 5910), (30, 5516), (35, 4728), (40, 4137), (42, 3940), (56, 2955), (60, 2758), (70, 2364), (84, 1970), (105, 1576), (120, 1379), (140, 1182), (168, 985), (197, 840), (210, 788), (280, 591), (394, 420)]