81233520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338473}}^1$

素因数の和:338489

約数の個数: 40

約数和(自身を含む): 251824656

約数和(自身を除く): 170591136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338473, 676946, 1015419, 1353892, 1692365, 2030838, 2707784, 3384730, 4061676, 5077095, 5415568, 6769460, 8123352, 10154190, 13538920, 16246704, 20308380, 27077840, 40616760, 81233520]

約数ペア:

[(1, 81233520), (2, 40616760), (3, 27077840), (4, 20308380), (5, 16246704), (6, 13538920), (8, 10154190), (10, 8123352), (12, 6769460), (15, 5415568), (16, 5077095), (20, 4061676), (24, 3384730), (30, 2707784), (40, 2030838), (48, 1692365), (60, 1353892), (80, 1015419), (120, 676946), (240, 338473)]