231729280

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2851}}^1$

素因数の和:2997

約数の個数: 64

約数和(自身を含む): 558535680

約数和(自身を除く): 326806400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 2851, 4064, 5080, 5702, 8128, 10160, 11404, 14255, 16256, 20320, 22808, 28510, 40640, 45616, 57020, 81280, 91232, 114040, 182464, 228080, 362077, 364928, 456160, 724154, 912320, 1448308, 1810385, 1824640, 2896616, 3620770, 5793232, 7241540, 11586464, 14483080, 23172928, 28966160, 46345856, 57932320, 115864640, 231729280]

約数ペア:

[(1, 231729280), (2, 115864640), (4, 57932320), (5, 46345856), (8, 28966160), (10, 23172928), (16, 14483080), (20, 11586464), (32, 7241540), (40, 5793232), (64, 3620770), (80, 2896616), (127, 1824640), (128, 1810385), (160, 1448308), (254, 912320), (320, 724154), (508, 456160), (635, 364928), (640, 362077), (1016, 228080), (1270, 182464), (2032, 114040), (2540, 91232), (2851, 81280), (4064, 57020), (5080, 45616), (5702, 40640), (8128, 28510), (10160, 22808), (11404, 20320), (14255, 16256)]