72684720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:819

約数の個数: 120

約数和(自身を含む): 246036336

約数和(自身を除く): 173351616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 157, 180, 240, 314, 360, 471, 628, 643, 720, 785, 942, 1256, 1286, 1413, 1570, 1884, 1929, 2355, 2512, 2572, 2826, 3140, 3215, 3768, 3858, 4710, 5144, 5652, 5787, 6280, 6430, 7065, 7536, 7716, 9420, 9645, 10288, 11304, 11574, 12560, 12860, 14130, 15432, 18840, 19290, 22608, 23148, 25720, 28260, 28935, 30864, 37680, 38580, 46296, 51440, 56520, 57870, 77160, 92592, 100951, 113040, 115740, 154320, 201902, 231480, 302853, 403804, 462960, 504755, 605706, 807608, 908559, 1009510, 1211412, 1514265, 1615216, 1817118, 2019020, 2422824, 3028530, 3634236, 4038040, 4542795, 4845648, 6057060, 7268472, 8076080, 9085590, 12114120, 14536944, 18171180, 24228240, 36342360, 72684720]

約数ペア:

[(1, 72684720), (2, 36342360), (3, 24228240), (4, 18171180), (5, 14536944), (6, 12114120), (8, 9085590), (9, 8076080), (10, 7268472), (12, 6057060), (15, 4845648), (16, 4542795), (18, 4038040), (20, 3634236), (24, 3028530), (30, 2422824), (36, 2019020), (40, 1817118), (45, 1615216), (48, 1514265), (60, 1211412), (72, 1009510), (80, 908559), (90, 807608), (120, 605706), (144, 504755), (157, 462960), (180, 403804), (240, 302853), (314, 231480), (360, 201902), (471, 154320), (628, 115740), (643, 113040), (720, 100951), (785, 92592), (942, 77160), (1256, 57870), (1286, 56520), (1413, 51440), (1570, 46296), (1884, 38580), (1929, 37680), (2355, 30864), (2512, 28935), (2572, 28260), (2826, 25720), (3140, 23148), (3215, 22608), (3768, 19290), (3858, 18840), (4710, 15432), (5144, 14130), (5652, 12860), (5787, 12560), (6280, 11574), (6430, 11304), (7065, 10288), (7536, 9645), (7716, 9420)]