80595879

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 138915840

約数和(自身を除く): 58319961

約数列:

[1, 3, 7, 13, 21, 37, 39, 79, 91, 101, 111, 237, 259, 273, 303, 481, 553, 707, 777, 1027, 1313, 1443, 1659, 2121, 2923, 3081, 3367, 3737, 3939, 7189, 7979, 8769, 9191, 10101, 11211, 20461, 21567, 23937, 26159, 27573, 37999, 48581, 55853, 61383, 78477, 103727, 113997, 145743, 167559, 265993, 295223, 311181, 340067, 726089, 797979, 885669, 1020201, 2066561, 2178267, 3837899, 6199683, 11513697, 26865293, 80595879]

約数ペア:

[(1, 80595879), (3, 26865293), (7, 11513697), (13, 6199683), (21, 3837899), (37, 2178267), (39, 2066561), (79, 1020201), (91, 885669), (101, 797979), (111, 726089), (237, 340067), (259, 311181), (273, 295223), (303, 265993), (481, 167559), (553, 145743), (707, 113997), (777, 103727), (1027, 78477), (1313, 61383), (1443, 55853), (1659, 48581), (2121, 37999), (2923, 27573), (3081, 26159), (3367, 23937), (3737, 21567), (3939, 20461), (7189, 11211), (7979, 10101), (8769, 9191)]