81160240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3974

約数の個数: 80

約数和(自身を含む): 221539392

約数和(自身を除く): 140379152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 3917, 4144, 5180, 7834, 10360, 15668, 19585, 20720, 27419, 31336, 39170, 54838, 62672, 78340, 109676, 137095, 144929, 156680, 219352, 274190, 289858, 313360, 438704, 548380, 579716, 724645, 1014503, 1096760, 1159432, 1449290, 2029006, 2193520, 2318864, 2898580, 4058012, 5072515, 5797160, 8116024, 10145030, 11594320, 16232048, 20290060, 40580120, 81160240]

約数ペア:

[(1, 81160240), (2, 40580120), (4, 20290060), (5, 16232048), (7, 11594320), (8, 10145030), (10, 8116024), (14, 5797160), (16, 5072515), (20, 4058012), (28, 2898580), (35, 2318864), (37, 2193520), (40, 2029006), (56, 1449290), (70, 1159432), (74, 1096760), (80, 1014503), (112, 724645), (140, 579716), (148, 548380), (185, 438704), (259, 313360), (280, 289858), (296, 274190), (370, 219352), (518, 156680), (560, 144929), (592, 137095), (740, 109676), (1036, 78340), (1295, 62672), (1480, 54838), (2072, 39170), (2590, 31336), (2960, 27419), (3917, 20720), (4144, 19585), (5180, 15668), (7834, 10360)]