304538640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{181273}}^1$

素因数の和:181296

約数の個数: 80

約数和(自身を含む): 1078942848

約数和(自身を除く): 774404208

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, 181273, 362546, 543819, 725092, 906365, 1087638, 1268911, 1450184, 1812730, 2175276, 2537822, 2719095, 2900368, 3625460, 3806733, 4350552, 5075644, 5438190, 6344555, 7250920, 7613466, 8701104, 10151288, 10876380, 12689110, 14501840, 15226932, 19033665, 20302576, 21752760, 25378220, 30453864, 38067330, 43505520, 50756440, 60907728, 76134660, 101512880, 152269320, 304538640]

約数ペア:

[(1, 304538640), (2, 152269320), (3, 101512880), (4, 76134660), (5, 60907728), (6, 50756440), (7, 43505520), (8, 38067330), (10, 30453864), (12, 25378220), (14, 21752760), (15, 20302576), (16, 19033665), (20, 15226932), (21, 14501840), (24, 12689110), (28, 10876380), (30, 10151288), (35, 8701104), (40, 7613466), (42, 7250920), (48, 6344555), (56, 5438190), (60, 5075644), (70, 4350552), (80, 3806733), (84, 3625460), (105, 2900368), (112, 2719095), (120, 2537822), (140, 2175276), (168, 1812730), (210, 1450184), (240, 1268911), (280, 1087638), (336, 906365), (420, 725092), (560, 543819), (840, 362546), (1680, 181273)]