15960880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 40622400

約数和(自身を除く): 24661520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 149, 206, 208, 260, 298, 412, 515, 520, 596, 745, 824, 1030, 1040, 1192, 1339, 1490, 1648, 1937, 2060, 2384, 2678, 2980, 3874, 4120, 5356, 5960, 6695, 7748, 8240, 9685, 10712, 11920, 13390, 15347, 15496, 19370, 21424, 26780, 30694, 30992, 38740, 53560, 61388, 76735, 77480, 107120, 122776, 153470, 154960, 199511, 245552, 306940, 399022, 613880, 798044, 997555, 1227760, 1596088, 1995110, 3192176, 3990220, 7980440, 15960880]

約数ペア:

[(1, 15960880), (2, 7980440), (4, 3990220), (5, 3192176), (8, 1995110), (10, 1596088), (13, 1227760), (16, 997555), (20, 798044), (26, 613880), (40, 399022), (52, 306940), (65, 245552), (80, 199511), (103, 154960), (104, 153470), (130, 122776), (149, 107120), (206, 77480), (208, 76735), (260, 61388), (298, 53560), (412, 38740), (515, 30992), (520, 30694), (596, 26780), (745, 21424), (824, 19370), (1030, 15496), (1040, 15347), (1192, 13390), (1339, 11920), (1490, 10712), (1648, 9685), (1937, 8240), (2060, 7748), (2384, 6695), (2678, 5960), (2980, 5356), (3874, 4120)]