81237840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14717}}^1$

素因数の和:14756

約数の個数: 80

約数和(自身を含む): 262804608

約数和(自身を除く): 181566768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 14717, 29434, 44151, 58868, 73585, 88302, 117736, 147170, 176604, 220755, 235472, 294340, 338491, 353208, 441510, 588680, 676982, 706416, 883020, 1015473, 1177360, 1353964, 1692455, 1766040, 2030946, 2707928, 3384910, 3532080, 4061892, 5077365, 5415856, 6769820, 8123784, 10154730, 13539640, 16247568, 20309460, 27079280, 40618920, 81237840]

約数ペア:

[(1, 81237840), (2, 40618920), (3, 27079280), (4, 20309460), (5, 16247568), (6, 13539640), (8, 10154730), (10, 8123784), (12, 6769820), (15, 5415856), (16, 5077365), (20, 4061892), (23, 3532080), (24, 3384910), (30, 2707928), (40, 2030946), (46, 1766040), (48, 1692455), (60, 1353964), (69, 1177360), (80, 1015473), (92, 883020), (115, 706416), (120, 676982), (138, 588680), (184, 441510), (230, 353208), (240, 338491), (276, 294340), (345, 235472), (368, 220755), (460, 176604), (552, 147170), (690, 117736), (920, 88302), (1104, 73585), (1380, 58868), (1840, 44151), (2760, 29434), (5520, 14717)]