71993340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{133321}}^1$

素因数の和:133339

約数の個数: 48

約数和(自身を含む): 223980960

約数和(自身を除く): 151987620

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, 133321, 266642, 399963, 533284, 666605, 799926, 1199889, 1333210, 1599852, 1999815, 2399778, 2666420, 3599667, 3999630, 4799556, 5999445, 7199334, 7999260, 11998890, 14398668, 17998335, 23997780, 35996670, 71993340]

約数ペア:

[(1, 71993340), (2, 35996670), (3, 23997780), (4, 17998335), (5, 14398668), (6, 11998890), (9, 7999260), (10, 7199334), (12, 5999445), (15, 4799556), (18, 3999630), (20, 3599667), (27, 2666420), (30, 2399778), (36, 1999815), (45, 1599852), (54, 1333210), (60, 1199889), (90, 799926), (108, 666605), (135, 533284), (180, 399963), (270, 266642), (540, 133321)]