81870048

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 265446720

約数和(自身を除く): 183576672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 37, 39, 48, 52, 54, 72, 74, 78, 96, 104, 108, 111, 117, 144, 148, 156, 197, 208, 216, 222, 234, 288, 296, 312, 333, 351, 394, 416, 432, 444, 468, 481, 591, 592, 624, 666, 702, 788, 864, 888, 936, 962, 999, 1182, 1184, 1248, 1332, 1404, 1443, 1576, 1773, 1776, 1872, 1924, 1998, 2364, 2561, 2664, 2808, 2886, 3152, 3546, 3552, 3744, 3848, 3996, 4329, 4728, 5122, 5319, 5328, 5616, 5772, 6304, 7092, 7289, 7683, 7696, 7992, 8658, 9456, 10244, 10638, 10656, 11232, 11544, 12987, 14184, 14578, 15366, 15392, 15984, 17316, 18912, 20488, 21276, 21867, 23049, 23088, 25974, 28368, 29156, 30732, 31968, 34632, 40976, 42552, 43734, 46098, 46176, 51948, 56736, 58312, 61464, 65601, 69147, 69264, 81952, 85104, 87468, 92196, 94757, 103896, 116624, 122928, 131202, 138294, 138528, 170208, 174936, 184392, 189514, 196803, 207792, 233248, 245856, 262404, 276588, 284271, 349872, 368784, 379028, 393606, 415584, 524808, 553176, 568542, 699744, 737568, 758056, 787212, 852813, 1049616, 1106352, 1137084, 1516112, 1574424, 1705626, 2099232, 2212704, 2274168, 2558439, 3032224, 3148848, 3411252, 4548336, 5116878, 6297696, 6822504, 9096672, 10233756, 13645008, 20467512, 27290016, 40935024, 81870048]

約数ペア:

[(1, 81870048), (2, 40935024), (3, 27290016), (4, 20467512), (6, 13645008), (8, 10233756), (9, 9096672), (12, 6822504), (13, 6297696), (16, 5116878), (18, 4548336), (24, 3411252), (26, 3148848), (27, 3032224), (32, 2558439), (36, 2274168), (37, 2212704), (39, 2099232), (48, 1705626), (52, 1574424), (54, 1516112), (72, 1137084), (74, 1106352), (78, 1049616), (96, 852813), (104, 787212), (108, 758056), (111, 737568), (117, 699744), (144, 568542), (148, 553176), (156, 524808), (197, 415584), (208, 393606), (216, 379028), (222, 368784), (234, 349872), (288, 284271), (296, 276588), (312, 262404), (333, 245856), (351, 233248), (394, 207792), (416, 196803), (432, 189514), (444, 184392), (468, 174936), (481, 170208), (591, 138528), (592, 138294), (624, 131202), (666, 122928), (702, 116624), (788, 103896), (864, 94757), (888, 92196), (936, 87468), (962, 85104), (999, 81952), (1182, 69264), (1184, 69147), (1248, 65601), (1332, 61464), (1404, 58312), (1443, 56736), (1576, 51948), (1773, 46176), (1776, 46098), (1872, 43734), (1924, 42552), (1998, 40976), (2364, 34632), (2561, 31968), (2664, 30732), (2808, 29156), (2886, 28368), (3152, 25974), (3546, 23088), (3552, 23049), (3744, 21867), (3848, 21276), (3996, 20488), (4329, 18912), (4728, 17316), (5122, 15984), (5319, 15392), (5328, 15366), (5616, 14578), (5772, 14184), (6304, 12987), (7092, 11544), (7289, 11232), (7683, 10656), (7696, 10638), (7992, 10244), (8658, 9456)]