251080020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{464963}}^1$

素因数の和:464981

約数の個数: 48

約数和(自身を含む): 781139520

約数和(自身を除く): 530059500

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, 464963, 929926, 1394889, 1859852, 2324815, 2789778, 4184667, 4649630, 5579556, 6974445, 8369334, 9299260, 12554001, 13948890, 16738668, 20923335, 25108002, 27897780, 41846670, 50216004, 62770005, 83693340, 125540010, 251080020]

約数ペア:

[(1, 251080020), (2, 125540010), (3, 83693340), (4, 62770005), (5, 50216004), (6, 41846670), (9, 27897780), (10, 25108002), (12, 20923335), (15, 16738668), (18, 13948890), (20, 12554001), (27, 9299260), (30, 8369334), (36, 6974445), (45, 5579556), (54, 4649630), (60, 4184667), (90, 2789778), (108, 2324815), (135, 1859852), (180, 1394889), (270, 929926), (540, 464963)]