197719920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:644

約数の個数: 160

約数和(自身を含む): 685670400

約数和(自身を除く): 487950480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 239, 240, 270, 360, 383, 432, 478, 540, 717, 720, 766, 956, 1080, 1149, 1195, 1434, 1532, 1912, 1915, 2151, 2160, 2298, 2390, 2868, 3064, 3447, 3585, 3824, 3830, 4302, 4596, 4780, 5736, 5745, 6128, 6453, 6894, 7170, 7660, 8604, 9192, 9560, 10341, 10755, 11472, 11490, 12906, 13788, 14340, 15320, 17208, 17235, 18384, 19120, 20682, 21510, 22980, 25812, 27576, 28680, 30640, 32265, 34416, 34470, 41364, 43020, 45960, 51624, 51705, 55152, 57360, 64530, 68940, 82728, 86040, 91537, 91920, 103248, 103410, 129060, 137880, 165456, 172080, 183074, 206820, 258120, 274611, 275760, 366148, 413640, 457685, 516240, 549222, 732296, 823833, 827280, 915370, 1098444, 1373055, 1464592, 1647666, 1830740, 2196888, 2471499, 2746110, 3295332, 3661480, 4119165, 4393776, 4942998, 5492220, 6590664, 7322960, 8238330, 9885996, 10984440, 12357495, 13181328, 16476660, 19771992, 21968880, 24714990, 32953320, 39543984, 49429980, 65906640, 98859960, 197719920]

約数ペア:

[(1, 197719920), (2, 98859960), (3, 65906640), (4, 49429980), (5, 39543984), (6, 32953320), (8, 24714990), (9, 21968880), (10, 19771992), (12, 16476660), (15, 13181328), (16, 12357495), (18, 10984440), (20, 9885996), (24, 8238330), (27, 7322960), (30, 6590664), (36, 5492220), (40, 4942998), (45, 4393776), (48, 4119165), (54, 3661480), (60, 3295332), (72, 2746110), (80, 2471499), (90, 2196888), (108, 1830740), (120, 1647666), (135, 1464592), (144, 1373055), (180, 1098444), (216, 915370), (239, 827280), (240, 823833), (270, 732296), (360, 549222), (383, 516240), (432, 457685), (478, 413640), (540, 366148), (717, 275760), (720, 274611), (766, 258120), (956, 206820), (1080, 183074), (1149, 172080), (1195, 165456), (1434, 137880), (1532, 129060), (1912, 103410), (1915, 103248), (2151, 91920), (2160, 91537), (2298, 86040), (2390, 82728), (2868, 68940), (3064, 64530), (3447, 57360), (3585, 55152), (3824, 51705), (3830, 51624), (4302, 45960), (4596, 43020), (4780, 41364), (5736, 34470), (5745, 34416), (6128, 32265), (6453, 30640), (6894, 28680), (7170, 27576), (7660, 25812), (8604, 22980), (9192, 21510), (9560, 20682), (10341, 19120), (10755, 18384), (11472, 17235), (11490, 17208), (12906, 15320), (13788, 14340)]