71079855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 154828800

約数和(自身を除く): 83748945

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 41, 55, 57, 77, 79, 95, 105, 123, 133, 165, 205, 209, 231, 237, 285, 287, 385, 395, 399, 451, 553, 615, 627, 665, 779, 861, 869, 1045, 1155, 1185, 1353, 1435, 1463, 1501, 1659, 1995, 2255, 2337, 2607, 2765, 3135, 3157, 3239, 3895, 4305, 4345, 4389, 4503, 5453, 6083, 6765, 7315, 7505, 8295, 8569, 9471, 9717, 10507, 11685, 13035, 15785, 16195, 16359, 16511, 18249, 21945, 22515, 22673, 25707, 27265, 30415, 31521, 35629, 42845, 47355, 48585, 49533, 52535, 59983, 61541, 68019, 81795, 82555, 91245, 106887, 113365, 115577, 128535, 157605, 178145, 179949, 184623, 247665, 249403, 299915, 307705, 340095, 346731, 430787, 534435, 577885, 676951, 748209, 899745, 923115, 1247015, 1292361, 1733655, 2030853, 2153935, 3384755, 3741045, 4738657, 6461805, 10154265, 14215971, 23693285, 71079855]

約数ペア:

[(1, 71079855), (3, 23693285), (5, 14215971), (7, 10154265), (11, 6461805), (15, 4738657), (19, 3741045), (21, 3384755), (33, 2153935), (35, 2030853), (41, 1733655), (55, 1292361), (57, 1247015), (77, 923115), (79, 899745), (95, 748209), (105, 676951), (123, 577885), (133, 534435), (165, 430787), (205, 346731), (209, 340095), (231, 307705), (237, 299915), (285, 249403), (287, 247665), (385, 184623), (395, 179949), (399, 178145), (451, 157605), (553, 128535), (615, 115577), (627, 113365), (665, 106887), (779, 91245), (861, 82555), (869, 81795), (1045, 68019), (1155, 61541), (1185, 59983), (1353, 52535), (1435, 49533), (1463, 48585), (1501, 47355), (1659, 42845), (1995, 35629), (2255, 31521), (2337, 30415), (2607, 27265), (2765, 25707), (3135, 22673), (3157, 22515), (3239, 21945), (3895, 18249), (4305, 16511), (4345, 16359), (4389, 16195), (4503, 15785), (5453, 13035), (6083, 11685), (6765, 10507), (7315, 9717), (7505, 9471), (8295, 8569)]