164266880

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 413614080

約数和(自身を除く): 249347200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 47, 64, 80, 86, 94, 127, 128, 160, 172, 188, 215, 235, 254, 320, 344, 376, 430, 470, 508, 635, 640, 688, 752, 860, 940, 1016, 1270, 1376, 1504, 1720, 1880, 2021, 2032, 2540, 2752, 3008, 3440, 3760, 4042, 4064, 5080, 5461, 5504, 5969, 6016, 6880, 7520, 8084, 8128, 10105, 10160, 10922, 11938, 13760, 15040, 16168, 16256, 20210, 20320, 21844, 23876, 27305, 27520, 29845, 30080, 32336, 40420, 40640, 43688, 47752, 54610, 59690, 64672, 80840, 81280, 87376, 95504, 109220, 119380, 129344, 161680, 174752, 191008, 218440, 238760, 256667, 258688, 323360, 349504, 382016, 436880, 477520, 513334, 646720, 699008, 764032, 873760, 955040, 1026668, 1283335, 1293440, 1747520, 1910080, 2053336, 2566670, 3495040, 3820160, 4106672, 5133340, 8213344, 10266680, 16426688, 20533360, 32853376, 41066720, 82133440, 164266880]

約数ペア:

[(1, 164266880), (2, 82133440), (4, 41066720), (5, 32853376), (8, 20533360), (10, 16426688), (16, 10266680), (20, 8213344), (32, 5133340), (40, 4106672), (43, 3820160), (47, 3495040), (64, 2566670), (80, 2053336), (86, 1910080), (94, 1747520), (127, 1293440), (128, 1283335), (160, 1026668), (172, 955040), (188, 873760), (215, 764032), (235, 699008), (254, 646720), (320, 513334), (344, 477520), (376, 436880), (430, 382016), (470, 349504), (508, 323360), (635, 258688), (640, 256667), (688, 238760), (752, 218440), (860, 191008), (940, 174752), (1016, 161680), (1270, 129344), (1376, 119380), (1504, 109220), (1720, 95504), (1880, 87376), (2021, 81280), (2032, 80840), (2540, 64672), (2752, 59690), (3008, 54610), (3440, 47752), (3760, 43688), (4042, 40640), (4064, 40420), (5080, 32336), (5461, 30080), (5504, 29845), (5969, 27520), (6016, 27305), (6880, 23876), (7520, 21844), (8084, 20320), (8128, 20210), (10105, 16256), (10160, 16168), (10922, 15040), (11938, 13760)]