81470880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{18859}}^1$

素因数の和:18883

約数の個数: 96

約数和(自身を含む): 285163200

約数和(自身を除く): 203692320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 18859, 37718, 56577, 75436, 94295, 113154, 150872, 169731, 188590, 226308, 282885, 301744, 339462, 377180, 452616, 509193, 565770, 603488, 678924, 754360, 848655, 905232, 1018386, 1131540, 1357848, 1508720, 1697310, 1810464, 2036772, 2263080, 2545965, 2715696, 3017440, 3394620, 4073544, 4526160, 5091930, 5431392, 6789240, 8147088, 9052320, 10183860, 13578480, 16294176, 20367720, 27156960, 40735440, 81470880]

約数ペア:

[(1, 81470880), (2, 40735440), (3, 27156960), (4, 20367720), (5, 16294176), (6, 13578480), (8, 10183860), (9, 9052320), (10, 8147088), (12, 6789240), (15, 5431392), (16, 5091930), (18, 4526160), (20, 4073544), (24, 3394620), (27, 3017440), (30, 2715696), (32, 2545965), (36, 2263080), (40, 2036772), (45, 1810464), (48, 1697310), (54, 1508720), (60, 1357848), (72, 1131540), (80, 1018386), (90, 905232), (96, 848655), (108, 754360), (120, 678924), (135, 603488), (144, 565770), (160, 509193), (180, 452616), (216, 377180), (240, 339462), (270, 301744), (288, 282885), (360, 226308), (432, 188590), (480, 169731), (540, 150872), (720, 113154), (864, 94295), (1080, 75436), (1440, 56577), (2160, 37718), (4320, 18859)]