65513340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{121321}}^1$

素因数の和:121339

約数の個数: 48

約数和(自身を含む): 203820960

約数和(自身を除く): 138307620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 121321, 242642, 363963, 485284, 606605, 727926, 1091889, 1213210, 1455852, 1819815, 2183778, 2426420, 3275667, 3639630, 4367556, 5459445, 6551334, 7279260, 10918890, 13102668, 16378335, 21837780, 32756670, 65513340]

約数ペア:

[(1, 65513340), (2, 32756670), (3, 21837780), (4, 16378335), (5, 13102668), (6, 10918890), (9, 7279260), (10, 6551334), (12, 5459445), (15, 4367556), (18, 3639630), (20, 3275667), (27, 2426420), (30, 2183778), (36, 1819815), (45, 1455852), (54, 1213210), (60, 1091889), (90, 727926), (108, 606605), (135, 485284), (180, 363963), (270, 242642), (540, 121321)]