131489640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{365249}}^1$

素因数の和:365266

約数の個数: 48

約数和(自身を含む): 427342500

約数和(自身を除く): 295852860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 365249, 730498, 1095747, 1460996, 1826245, 2191494, 2921992, 3287241, 3652490, 4382988, 5478735, 6574482, 7304980, 8765976, 10957470, 13148964, 14609960, 16436205, 21914940, 26297928, 32872410, 43829880, 65744820, 131489640]

約数ペア:

[(1, 131489640), (2, 65744820), (3, 43829880), (4, 32872410), (5, 26297928), (6, 21914940), (8, 16436205), (9, 14609960), (10, 13148964), (12, 10957470), (15, 8765976), (18, 7304980), (20, 6574482), (24, 5478735), (30, 4382988), (36, 3652490), (40, 3287241), (45, 2921992), (60, 2191494), (72, 1826245), (90, 1460996), (120, 1095747), (180, 730498), (360, 365249)]