77534960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1290

約数の個数: 80

約数和(自身を含む): 195094656

約数和(自身を除く): 117559696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1213, 1360, 1598, 1880, 2426, 3196, 3760, 3995, 4852, 6065, 6392, 7990, 9704, 12130, 12784, 15980, 19408, 20621, 24260, 31960, 41242, 48520, 57011, 63920, 82484, 97040, 103105, 114022, 164968, 206210, 228044, 285055, 329936, 412420, 456088, 570110, 824840, 912176, 969187, 1140220, 1649680, 1938374, 2280440, 3876748, 4560880, 4845935, 7753496, 9691870, 15506992, 19383740, 38767480, 77534960]

約数ペア:

[(1, 77534960), (2, 38767480), (4, 19383740), (5, 15506992), (8, 9691870), (10, 7753496), (16, 4845935), (17, 4560880), (20, 3876748), (34, 2280440), (40, 1938374), (47, 1649680), (68, 1140220), (80, 969187), (85, 912176), (94, 824840), (136, 570110), (170, 456088), (188, 412420), (235, 329936), (272, 285055), (340, 228044), (376, 206210), (470, 164968), (680, 114022), (752, 103105), (799, 97040), (940, 82484), (1213, 63920), (1360, 57011), (1598, 48520), (1880, 41242), (2426, 31960), (3196, 24260), (3760, 20621), (3995, 19408), (4852, 15980), (6065, 12784), (6392, 12130), (7990, 9704)]