321617240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{24439}}^1$

素因数の和:24504

約数の個数: 64

約数和(自身を含む): 844646400

約数和(自身を除く): 523029160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 24439, 48878, 97756, 122195, 171073, 195512, 244390, 342146, 488780, 684292, 855365, 977560, 1148633, 1368584, 1710730, 2297266, 3421460, 4594532, 5743165, 6842920, 8040431, 9189064, 11486330, 16080862, 22972660, 32161724, 40202155, 45945320, 64323448, 80404310, 160808620, 321617240]

約数ペア:

[(1, 321617240), (2, 160808620), (4, 80404310), (5, 64323448), (7, 45945320), (8, 40202155), (10, 32161724), (14, 22972660), (20, 16080862), (28, 11486330), (35, 9189064), (40, 8040431), (47, 6842920), (56, 5743165), (70, 4594532), (94, 3421460), (140, 2297266), (188, 1710730), (235, 1368584), (280, 1148633), (329, 977560), (376, 855365), (470, 684292), (658, 488780), (940, 342146), (1316, 244390), (1645, 195512), (1880, 171073), (2632, 122195), (3290, 97756), (6580, 48878), (13160, 24439)]