128178512

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 320604480

約数和(自身を除く): 192425968

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 89, 98, 112, 154, 167, 176, 178, 196, 308, 334, 356, 392, 539, 616, 623, 668, 712, 784, 979, 1078, 1169, 1232, 1246, 1336, 1424, 1837, 1958, 2156, 2338, 2492, 2672, 3674, 3916, 4312, 4361, 4676, 4984, 6853, 7348, 7832, 8183, 8624, 8722, 9352, 9968, 12859, 13706, 14696, 14863, 15664, 16366, 17444, 18704, 25718, 27412, 29392, 29726, 32732, 34888, 47971, 51436, 54824, 59452, 65464, 69776, 90013, 95942, 102872, 104041, 109648, 118904, 130928, 163493, 180026, 191884, 205744, 208082, 237808, 326986, 360052, 383768, 416164, 653972, 720104, 728287, 767536, 832328, 1144451, 1307944, 1440208, 1456574, 1664656, 2288902, 2615888, 2913148, 4577804, 5826296, 8011157, 9155608, 11652592, 16022314, 18311216, 32044628, 64089256, 128178512]

約数ペア:

[(1, 128178512), (2, 64089256), (4, 32044628), (7, 18311216), (8, 16022314), (11, 11652592), (14, 9155608), (16, 8011157), (22, 5826296), (28, 4577804), (44, 2913148), (49, 2615888), (56, 2288902), (77, 1664656), (88, 1456574), (89, 1440208), (98, 1307944), (112, 1144451), (154, 832328), (167, 767536), (176, 728287), (178, 720104), (196, 653972), (308, 416164), (334, 383768), (356, 360052), (392, 326986), (539, 237808), (616, 208082), (623, 205744), (668, 191884), (712, 180026), (784, 163493), (979, 130928), (1078, 118904), (1169, 109648), (1232, 104041), (1246, 102872), (1336, 95942), (1424, 90013), (1837, 69776), (1958, 65464), (2156, 59452), (2338, 54824), (2492, 51436), (2672, 47971), (3674, 34888), (3916, 32732), (4312, 29726), (4361, 29392), (4676, 27412), (4984, 25718), (6853, 18704), (7348, 17444), (7832, 16366), (8183, 15664), (8624, 14863), (8722, 14696), (9352, 13706), (9968, 12859)]