78718680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:953

約数の個数: 96

約数和(自身を含む): 256932000

約数和(自身を除く): 178213320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 449, 487, 898, 974, 1347, 1461, 1796, 1948, 2245, 2435, 2694, 2922, 3592, 3896, 4041, 4383, 4490, 4870, 5388, 5844, 6735, 7305, 8082, 8766, 8980, 9740, 10776, 11688, 13470, 14610, 16164, 17532, 17960, 19480, 20205, 21915, 26940, 29220, 32328, 35064, 40410, 43830, 53880, 58440, 80820, 87660, 161640, 175320, 218663, 437326, 655989, 874652, 1093315, 1311978, 1749304, 1967967, 2186630, 2623956, 3279945, 3935934, 4373260, 5247912, 6559890, 7871868, 8746520, 9839835, 13119780, 15743736, 19679670, 26239560, 39359340, 78718680]

約数ペア:

[(1, 78718680), (2, 39359340), (3, 26239560), (4, 19679670), (5, 15743736), (6, 13119780), (8, 9839835), (9, 8746520), (10, 7871868), (12, 6559890), (15, 5247912), (18, 4373260), (20, 3935934), (24, 3279945), (30, 2623956), (36, 2186630), (40, 1967967), (45, 1749304), (60, 1311978), (72, 1093315), (90, 874652), (120, 655989), (180, 437326), (360, 218663), (449, 175320), (487, 161640), (898, 87660), (974, 80820), (1347, 58440), (1461, 53880), (1796, 43830), (1948, 40410), (2245, 35064), (2435, 32328), (2694, 29220), (2922, 26940), (3592, 21915), (3896, 20205), (4041, 19480), (4383, 17960), (4490, 17532), (4870, 16164), (5388, 14610), (5844, 13470), (6735, 11688), (7305, 10776), (8082, 9740), (8766, 8980)]