487204380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208207}}^1$

素因数の和:208235

約数の個数: 72

約数和(自身を含む): 1591541952

約数和(自身を除く): 1104337572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 208207, 416414, 624621, 832828, 1041035, 1249242, 1873863, 2082070, 2498484, 2706691, 3123105, 3747726, 4164140, 5413382, 6246210, 7495452, 8120073, 9369315, 10826764, 12492420, 13533455, 16240146, 18738630, 24360219, 27066910, 32480292, 37477260, 40600365, 48720438, 54133820, 81200730, 97440876, 121801095, 162401460, 243602190, 487204380]

約数ペア:

[(1, 487204380), (2, 243602190), (3, 162401460), (4, 121801095), (5, 97440876), (6, 81200730), (9, 54133820), (10, 48720438), (12, 40600365), (13, 37477260), (15, 32480292), (18, 27066910), (20, 24360219), (26, 18738630), (30, 16240146), (36, 13533455), (39, 12492420), (45, 10826764), (52, 9369315), (60, 8120073), (65, 7495452), (78, 6246210), (90, 5413382), (117, 4164140), (130, 3747726), (156, 3123105), (180, 2706691), (195, 2498484), (234, 2082070), (260, 1873863), (390, 1249242), (468, 1041035), (585, 832828), (780, 624621), (1170, 416414), (2340, 208207)]