81884520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 278784000

約数和(自身を除く): 196899480

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, 81, 90, 108, 120, 127, 135, 162, 180, 199, 216, 254, 270, 324, 360, 381, 398, 405, 508, 540, 597, 635, 648, 762, 796, 810, 995, 1016, 1080, 1143, 1194, 1270, 1524, 1592, 1620, 1791, 1905, 1990, 2286, 2388, 2540, 2985, 3048, 3240, 3429, 3582, 3810, 3980, 4572, 4776, 5080, 5373, 5715, 5970, 6858, 7164, 7620, 7960, 8955, 9144, 10287, 10746, 11430, 11940, 13716, 14328, 15240, 16119, 17145, 17910, 20574, 21492, 22860, 23880, 25273, 26865, 27432, 32238, 34290, 35820, 41148, 42984, 45720, 50546, 51435, 53730, 64476, 68580, 71640, 75819, 80595, 82296, 101092, 102870, 107460, 126365, 128952, 137160, 151638, 161190, 202184, 205740, 214920, 227457, 252730, 303276, 322380, 379095, 411480, 454914, 505460, 606552, 644760, 682371, 758190, 909828, 1010920, 1137285, 1364742, 1516380, 1819656, 2047113, 2274570, 2729484, 3032760, 3411855, 4094226, 4549140, 5458968, 6823710, 8188452, 9098280, 10235565, 13647420, 16376904, 20471130, 27294840, 40942260, 81884520]

約数ペア:

[(1, 81884520), (2, 40942260), (3, 27294840), (4, 20471130), (5, 16376904), (6, 13647420), (8, 10235565), (9, 9098280), (10, 8188452), (12, 6823710), (15, 5458968), (18, 4549140), (20, 4094226), (24, 3411855), (27, 3032760), (30, 2729484), (36, 2274570), (40, 2047113), (45, 1819656), (54, 1516380), (60, 1364742), (72, 1137285), (81, 1010920), (90, 909828), (108, 758190), (120, 682371), (127, 644760), (135, 606552), (162, 505460), (180, 454914), (199, 411480), (216, 379095), (254, 322380), (270, 303276), (324, 252730), (360, 227457), (381, 214920), (398, 205740), (405, 202184), (508, 161190), (540, 151638), (597, 137160), (635, 128952), (648, 126365), (762, 107460), (796, 102870), (810, 101092), (995, 82296), (1016, 80595), (1080, 75819), (1143, 71640), (1194, 68580), (1270, 64476), (1524, 53730), (1592, 51435), (1620, 50546), (1791, 45720), (1905, 42984), (1990, 41148), (2286, 35820), (2388, 34290), (2540, 32238), (2985, 27432), (3048, 26865), (3240, 25273), (3429, 23880), (3582, 22860), (3810, 21492), (3980, 20574), (4572, 17910), (4776, 17145), (5080, 16119), (5373, 15240), (5715, 14328), (5970, 13716), (6858, 11940), (7164, 11430), (7620, 10746), (7960, 10287), (8955, 9144)]