78885840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29881}}^1$

素因数の和:29908

約数の個数: 80

約数和(自身を含む): 266786496

約数和(自身を除く): 187900656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 29881, 59762, 89643, 119524, 149405, 179286, 239048, 298810, 328691, 358572, 448215, 478096, 597620, 657382, 717144, 896430, 986073, 1195240, 1314764, 1434288, 1643455, 1792860, 1972146, 2390480, 2629528, 3286910, 3585720, 3944292, 4930365, 5259056, 6573820, 7171440, 7888584, 9860730, 13147640, 15777168, 19721460, 26295280, 39442920, 78885840]

約数ペア:

[(1, 78885840), (2, 39442920), (3, 26295280), (4, 19721460), (5, 15777168), (6, 13147640), (8, 9860730), (10, 7888584), (11, 7171440), (12, 6573820), (15, 5259056), (16, 4930365), (20, 3944292), (22, 3585720), (24, 3286910), (30, 2629528), (33, 2390480), (40, 1972146), (44, 1792860), (48, 1643455), (55, 1434288), (60, 1314764), (66, 1195240), (80, 986073), (88, 896430), (110, 717144), (120, 657382), (132, 597620), (165, 478096), (176, 448215), (220, 358572), (240, 328691), (264, 298810), (330, 239048), (440, 179286), (528, 149405), (660, 119524), (880, 89643), (1320, 59762), (2640, 29881)]