18105840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25147}}^1$

素因数の和:25166

約数の個数: 60

約数和(自身を含む): 60807864

約数和(自身を除く): 42702024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25147, 50294, 75441, 100588, 125735, 150882, 201176, 226323, 251470, 301764, 377205, 402352, 452646, 502940, 603528, 754410, 905292, 1005880, 1131615, 1207056, 1508820, 1810584, 2011760, 2263230, 3017640, 3621168, 4526460, 6035280, 9052920, 18105840]

約数ペア:

[(1, 18105840), (2, 9052920), (3, 6035280), (4, 4526460), (5, 3621168), (6, 3017640), (8, 2263230), (9, 2011760), (10, 1810584), (12, 1508820), (15, 1207056), (16, 1131615), (18, 1005880), (20, 905292), (24, 754410), (30, 603528), (36, 502940), (40, 452646), (45, 402352), (48, 377205), (60, 301764), (72, 251470), (80, 226323), (90, 201176), (120, 150882), (144, 125735), (180, 100588), (240, 75441), (360, 50294), (720, 25147)]