678240080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:493

約数の個数: 160

約数和(自身を含む): 1871023104

約数和(自身を除く): 1192783024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 73, 80, 94, 112, 140, 146, 188, 235, 280, 292, 329, 353, 365, 376, 470, 511, 560, 584, 658, 706, 730, 752, 940, 1022, 1168, 1316, 1412, 1460, 1645, 1765, 1880, 2044, 2471, 2555, 2632, 2824, 2920, 3290, 3431, 3530, 3760, 4088, 4942, 5110, 5264, 5648, 5840, 6580, 6862, 7060, 8176, 9884, 10220, 12355, 13160, 13724, 14120, 16591, 17155, 19768, 20440, 24017, 24710, 25769, 26320, 27448, 28240, 33182, 34310, 39536, 40880, 48034, 49420, 51538, 54896, 66364, 68620, 82955, 96068, 98840, 103076, 116137, 120085, 128845, 132728, 137240, 165910, 180383, 192136, 197680, 206152, 232274, 240170, 257690, 265456, 274480, 331820, 360766, 384272, 412304, 464548, 480340, 515380, 580685, 663640, 721532, 901915, 929096, 960680, 1030760, 1161370, 1211143, 1327280, 1443064, 1803830, 1858192, 1921360, 2061520, 2322740, 2422286, 2886128, 3607660, 4645480, 4844572, 6055715, 7215320, 8478001, 9290960, 9689144, 12111430, 14430640, 16956002, 19378288, 24222860, 33912004, 42390005, 48445720, 67824008, 84780010, 96891440, 135648016, 169560020, 339120040, 678240080]

約数ペア:

[(1, 678240080), (2, 339120040), (4, 169560020), (5, 135648016), (7, 96891440), (8, 84780010), (10, 67824008), (14, 48445720), (16, 42390005), (20, 33912004), (28, 24222860), (35, 19378288), (40, 16956002), (47, 14430640), (56, 12111430), (70, 9689144), (73, 9290960), (80, 8478001), (94, 7215320), (112, 6055715), (140, 4844572), (146, 4645480), (188, 3607660), (235, 2886128), (280, 2422286), (292, 2322740), (329, 2061520), (353, 1921360), (365, 1858192), (376, 1803830), (470, 1443064), (511, 1327280), (560, 1211143), (584, 1161370), (658, 1030760), (706, 960680), (730, 929096), (752, 901915), (940, 721532), (1022, 663640), (1168, 580685), (1316, 515380), (1412, 480340), (1460, 464548), (1645, 412304), (1765, 384272), (1880, 360766), (2044, 331820), (2471, 274480), (2555, 265456), (2632, 257690), (2824, 240170), (2920, 232274), (3290, 206152), (3431, 197680), (3530, 192136), (3760, 180383), (4088, 165910), (4942, 137240), (5110, 132728), (5264, 128845), (5648, 120085), (5840, 116137), (6580, 103076), (6862, 98840), (7060, 96068), (8176, 82955), (9884, 68620), (10220, 66364), (12355, 54896), (13160, 51538), (13724, 49420), (14120, 48034), (16591, 40880), (17155, 39536), (19768, 34310), (20440, 33182), (24017, 28240), (24710, 27448), (25769, 26320)]