81454680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:598

約数の個数: 128

約数和(自身を含む): 273600000

約数和(自身を除く): 192145320

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, 90, 108, 120, 135, 180, 199, 216, 270, 360, 379, 398, 540, 597, 758, 796, 995, 1080, 1137, 1194, 1516, 1592, 1791, 1895, 1990, 2274, 2388, 2985, 3032, 3411, 3582, 3790, 3980, 4548, 4776, 5373, 5685, 5970, 6822, 7164, 7580, 7960, 8955, 9096, 10233, 10746, 11370, 11940, 13644, 14328, 15160, 17055, 17910, 20466, 21492, 22740, 23880, 26865, 27288, 34110, 35820, 40932, 42984, 45480, 51165, 53730, 68220, 71640, 75421, 81864, 102330, 107460, 136440, 150842, 204660, 214920, 226263, 301684, 377105, 409320, 452526, 603368, 678789, 754210, 905052, 1131315, 1357578, 1508420, 1810104, 2036367, 2262630, 2715156, 3016840, 3393945, 4072734, 4525260, 5430312, 6787890, 8145468, 9050520, 10181835, 13575780, 16290936, 20363670, 27151560, 40727340, 81454680]

約数ペア:

[(1, 81454680), (2, 40727340), (3, 27151560), (4, 20363670), (5, 16290936), (6, 13575780), (8, 10181835), (9, 9050520), (10, 8145468), (12, 6787890), (15, 5430312), (18, 4525260), (20, 4072734), (24, 3393945), (27, 3016840), (30, 2715156), (36, 2262630), (40, 2036367), (45, 1810104), (54, 1508420), (60, 1357578), (72, 1131315), (90, 905052), (108, 754210), (120, 678789), (135, 603368), (180, 452526), (199, 409320), (216, 377105), (270, 301684), (360, 226263), (379, 214920), (398, 204660), (540, 150842), (597, 136440), (758, 107460), (796, 102330), (995, 81864), (1080, 75421), (1137, 71640), (1194, 68220), (1516, 53730), (1592, 51165), (1791, 45480), (1895, 42984), (1990, 40932), (2274, 35820), (2388, 34110), (2985, 27288), (3032, 26865), (3411, 23880), (3582, 22740), (3790, 21492), (3980, 20466), (4548, 17910), (4776, 17055), (5373, 15160), (5685, 14328), (5970, 13644), (6822, 11940), (7164, 11370), (7580, 10746), (7960, 10233), (8955, 9096)]