181570480

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 160

約数和(自身を含む): 531216000

約数和(自身を除く): 349645520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 343, 364, 392, 455, 490, 509, 520, 560, 637, 686, 728, 784, 910, 980, 1018, 1040, 1274, 1372, 1456, 1715, 1820, 1960, 2036, 2545, 2548, 2744, 3185, 3430, 3563, 3640, 3920, 4072, 4459, 5090, 5096, 5488, 6370, 6617, 6860, 7126, 7280, 8144, 8918, 10180, 10192, 12740, 13234, 13720, 14252, 17815, 17836, 20360, 22295, 24941, 25480, 26468, 27440, 28504, 33085, 35630, 35672, 40720, 44590, 46319, 49882, 50960, 52936, 57008, 66170, 71260, 71344, 89180, 92638, 99764, 105872, 124705, 132340, 142520, 174587, 178360, 185276, 199528, 231595, 249410, 264680, 285040, 324233, 349174, 356720, 370552, 399056, 463190, 498820, 529360, 648466, 698348, 741104, 872935, 926380, 997640, 1296932, 1396696, 1621165, 1745870, 1852760, 1995280, 2269631, 2593864, 2793392, 3242330, 3491740, 3705520, 4539262, 5187728, 6484660, 6983480, 9078524, 11348155, 12969320, 13966960, 18157048, 22696310, 25938640, 36314096, 45392620, 90785240, 181570480]

約数ペア:

[(1, 181570480), (2, 90785240), (4, 45392620), (5, 36314096), (7, 25938640), (8, 22696310), (10, 18157048), (13, 13966960), (14, 12969320), (16, 11348155), (20, 9078524), (26, 6983480), (28, 6484660), (35, 5187728), (40, 4539262), (49, 3705520), (52, 3491740), (56, 3242330), (65, 2793392), (70, 2593864), (80, 2269631), (91, 1995280), (98, 1852760), (104, 1745870), (112, 1621165), (130, 1396696), (140, 1296932), (182, 997640), (196, 926380), (208, 872935), (245, 741104), (260, 698348), (280, 648466), (343, 529360), (364, 498820), (392, 463190), (455, 399056), (490, 370552), (509, 356720), (520, 349174), (560, 324233), (637, 285040), (686, 264680), (728, 249410), (784, 231595), (910, 199528), (980, 185276), (1018, 178360), (1040, 174587), (1274, 142520), (1372, 132340), (1456, 124705), (1715, 105872), (1820, 99764), (1960, 92638), (2036, 89180), (2545, 71344), (2548, 71260), (2744, 66170), (3185, 57008), (3430, 52936), (3563, 50960), (3640, 49882), (3920, 46319), (4072, 44590), (4459, 40720), (5090, 35672), (5096, 35630), (5488, 33085), (6370, 28504), (6617, 27440), (6860, 26468), (7126, 25480), (7280, 24941), (8144, 22295), (8918, 20360), (10180, 17836), (10192, 17815), (12740, 14252), (13234, 13720)]