168264040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{293}}^2$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 441913590

約数和(自身を除く): 273649550

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 293, 392, 490, 586, 980, 1172, 1465, 1960, 2051, 2344, 2930, 4102, 5860, 8204, 10255, 11720, 14357, 16408, 20510, 28714, 41020, 57428, 71785, 82040, 85849, 114856, 143570, 171698, 287140, 343396, 429245, 574280, 600943, 686792, 858490, 1201886, 1716980, 2403772, 3004715, 3433960, 4206601, 4807544, 6009430, 8413202, 12018860, 16826404, 21033005, 24037720, 33652808, 42066010, 84132020, 168264040]

約数ペア:

[(1, 168264040), (2, 84132020), (4, 42066010), (5, 33652808), (7, 24037720), (8, 21033005), (10, 16826404), (14, 12018860), (20, 8413202), (28, 6009430), (35, 4807544), (40, 4206601), (49, 3433960), (56, 3004715), (70, 2403772), (98, 1716980), (140, 1201886), (196, 858490), (245, 686792), (280, 600943), (293, 574280), (392, 429245), (490, 343396), (586, 287140), (980, 171698), (1172, 143570), (1465, 114856), (1960, 85849), (2051, 82040), (2344, 71785), (2930, 57428), (4102, 41020), (5860, 28714), (8204, 20510), (10255, 16408), (11720, 14357)]