81570240

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{1049}}^1$

素因数の和:1081

約数の個数: 168

約数和(自身を含む): 291236400

約数和(自身を除く): 209666160

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 648, 720, 810, 864, 960, 972, 1049, 1080, 1215, 1296, 1440, 1620, 1728, 1944, 2098, 2160, 2430, 2592, 2880, 3147, 3240, 3888, 4196, 4320, 4860, 5184, 5245, 6294, 6480, 7776, 8392, 8640, 9441, 9720, 10490, 12588, 12960, 15552, 15735, 16784, 18882, 19440, 20980, 25176, 25920, 28323, 31470, 33568, 37764, 38880, 41960, 47205, 50352, 56646, 62940, 67136, 75528, 77760, 83920, 84969, 94410, 100704, 113292, 125880, 141615, 151056, 167840, 169938, 188820, 201408, 226584, 251760, 254907, 283230, 302112, 335680, 339876, 377640, 424845, 453168, 503520, 509814, 566460, 604224, 679752, 755280, 849690, 906336, 1007040, 1019628, 1132920, 1274535, 1359504, 1510560, 1699380, 1812672, 2039256, 2265840, 2549070, 2719008, 3021120, 3398760, 4078512, 4531680, 5098140, 5438016, 6797520, 8157024, 9063360, 10196280, 13595040, 16314048, 20392560, 27190080, 40785120, 81570240]

約数ペア:

[(1, 81570240), (2, 40785120), (3, 27190080), (4, 20392560), (5, 16314048), (6, 13595040), (8, 10196280), (9, 9063360), (10, 8157024), (12, 6797520), (15, 5438016), (16, 5098140), (18, 4531680), (20, 4078512), (24, 3398760), (27, 3021120), (30, 2719008), (32, 2549070), (36, 2265840), (40, 2039256), (45, 1812672), (48, 1699380), (54, 1510560), (60, 1359504), (64, 1274535), (72, 1132920), (80, 1019628), (81, 1007040), (90, 906336), (96, 849690), (108, 755280), (120, 679752), (135, 604224), (144, 566460), (160, 509814), (162, 503520), (180, 453168), (192, 424845), (216, 377640), (240, 339876), (243, 335680), (270, 302112), (288, 283230), (320, 254907), (324, 251760), (360, 226584), (405, 201408), (432, 188820), (480, 169938), (486, 167840), (540, 151056), (576, 141615), (648, 125880), (720, 113292), (810, 100704), (864, 94410), (960, 84969), (972, 83920), (1049, 77760), (1080, 75528), (1215, 67136), (1296, 62940), (1440, 56646), (1620, 50352), (1728, 47205), (1944, 41960), (2098, 38880), (2160, 37764), (2430, 33568), (2592, 31470), (2880, 28323), (3147, 25920), (3240, 25176), (3888, 20980), (4196, 19440), (4320, 18882), (4860, 16784), (5184, 15735), (5245, 15552), (6294, 12960), (6480, 12588), (7776, 10490), (8392, 9720), (8640, 9441)]