31770480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18911}}^1$

素因数の和:18934

約数の個数: 80

約数和(自身を含む): 112564224

約数和(自身を除く): 80793744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18911, 37822, 56733, 75644, 94555, 113466, 132377, 151288, 189110, 226932, 264754, 283665, 302576, 378220, 397131, 453864, 529508, 567330, 661885, 756440, 794262, 907728, 1059016, 1134660, 1323770, 1512880, 1588524, 1985655, 2118032, 2269320, 2647540, 3177048, 3971310, 4538640, 5295080, 6354096, 7942620, 10590160, 15885240, 31770480]

約数ペア:

[(1, 31770480), (2, 15885240), (3, 10590160), (4, 7942620), (5, 6354096), (6, 5295080), (7, 4538640), (8, 3971310), (10, 3177048), (12, 2647540), (14, 2269320), (15, 2118032), (16, 1985655), (20, 1588524), (21, 1512880), (24, 1323770), (28, 1134660), (30, 1059016), (35, 907728), (40, 794262), (42, 756440), (48, 661885), (56, 567330), (60, 529508), (70, 453864), (80, 397131), (84, 378220), (105, 302576), (112, 283665), (120, 264754), (140, 226932), (168, 189110), (210, 151288), (240, 132377), (280, 113466), (336, 94555), (420, 75644), (560, 56733), (840, 37822), (1680, 18911)]