661920

素因数分解:

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

素因数の和:222

約数の個数: 96

約数和(自身を含む): 2395008

約数和(自身を除く): 1733088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 197, 210, 224, 240, 280, 336, 394, 420, 480, 560, 591, 672, 788, 840, 985, 1120, 1182, 1379, 1576, 1680, 1970, 2364, 2758, 2955, 3152, 3360, 3940, 4137, 4728, 5516, 5910, 6304, 6895, 7880, 8274, 9456, 11032, 11820, 13790, 15760, 16548, 18912, 20685, 22064, 23640, 27580, 31520, 33096, 41370, 44128, 47280, 55160, 66192, 82740, 94560, 110320, 132384, 165480, 220640, 330960, 661920]

約数ペア:

[(1, 661920), (2, 330960), (3, 220640), (4, 165480), (5, 132384), (6, 110320), (7, 94560), (8, 82740), (10, 66192), (12, 55160), (14, 47280), (15, 44128), (16, 41370), (20, 33096), (21, 31520), (24, 27580), (28, 23640), (30, 22064), (32, 20685), (35, 18912), (40, 16548), (42, 15760), (48, 13790), (56, 11820), (60, 11032), (70, 9456), (80, 8274), (84, 7880), (96, 6895), (105, 6304), (112, 5910), (120, 5516), (140, 4728), (160, 4137), (168, 3940), (197, 3360), (210, 3152), (224, 2955), (240, 2758), (280, 2364), (336, 1970), (394, 1680), (420, 1576), (480, 1379), (560, 1182), (591, 1120), (672, 985), (788, 840)]