258120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{239}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 864000

約数和(自身を除く): 605880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 239, 270, 360, 478, 540, 717, 956, 1080, 1195, 1434, 1912, 2151, 2390, 2868, 3585, 4302, 4780, 5736, 6453, 7170, 8604, 9560, 10755, 12906, 14340, 17208, 21510, 25812, 28680, 32265, 43020, 51624, 64530, 86040, 129060, 258120]

約数ペア:

[(1, 258120), (2, 129060), (3, 86040), (4, 64530), (5, 51624), (6, 43020), (8, 32265), (9, 28680), (10, 25812), (12, 21510), (15, 17208), (18, 14340), (20, 12906), (24, 10755), (27, 9560), (30, 8604), (36, 7170), (40, 6453), (45, 5736), (54, 4780), (60, 4302), (72, 3585), (90, 2868), (108, 2390), (120, 2151), (135, 1912), (180, 1434), (216, 1195), (239, 1080), (270, 956), (360, 717), (478, 540)]