289583360

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 767333952

約数和(自身を除く): 477750592

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 131, 157, 160, 176, 220, 256, 262, 314, 320, 352, 440, 524, 628, 640, 655, 704, 785, 880, 1048, 1256, 1280, 1310, 1408, 1441, 1570, 1727, 1760, 2096, 2512, 2620, 2816, 2882, 3140, 3454, 3520, 4192, 5024, 5240, 5764, 6280, 6908, 7040, 7205, 8384, 8635, 10048, 10480, 11528, 12560, 13816, 14080, 14410, 16768, 17270, 20096, 20567, 20960, 23056, 25120, 27632, 28820, 33536, 34540, 40192, 41134, 41920, 46112, 50240, 55264, 57640, 69080, 82268, 83840, 92224, 100480, 102835, 110528, 115280, 138160, 164536, 167680, 184448, 200960, 205670, 221056, 226237, 230560, 276320, 329072, 368896, 411340, 442112, 452474, 461120, 552640, 658144, 822680, 904948, 922240, 1105280, 1131185, 1316288, 1645360, 1809896, 1844480, 2210560, 2262370, 2632576, 3290720, 3619792, 4524740, 5265152, 6581440, 7239584, 9049480, 13162880, 14479168, 18098960, 26325760, 28958336, 36197920, 57916672, 72395840, 144791680, 289583360]

約数ペア:

[(1, 289583360), (2, 144791680), (4, 72395840), (5, 57916672), (8, 36197920), (10, 28958336), (11, 26325760), (16, 18098960), (20, 14479168), (22, 13162880), (32, 9049480), (40, 7239584), (44, 6581440), (55, 5265152), (64, 4524740), (80, 3619792), (88, 3290720), (110, 2632576), (128, 2262370), (131, 2210560), (157, 1844480), (160, 1809896), (176, 1645360), (220, 1316288), (256, 1131185), (262, 1105280), (314, 922240), (320, 904948), (352, 822680), (440, 658144), (524, 552640), (628, 461120), (640, 452474), (655, 442112), (704, 411340), (785, 368896), (880, 329072), (1048, 276320), (1256, 230560), (1280, 226237), (1310, 221056), (1408, 205670), (1441, 200960), (1570, 184448), (1727, 167680), (1760, 164536), (2096, 138160), (2512, 115280), (2620, 110528), (2816, 102835), (2882, 100480), (3140, 92224), (3454, 83840), (3520, 82268), (4192, 69080), (5024, 57640), (5240, 55264), (5764, 50240), (6280, 46112), (6908, 41920), (7040, 41134), (7205, 40192), (8384, 34540), (8635, 33536), (10048, 28820), (10480, 27632), (11528, 25120), (12560, 23056), (13816, 20960), (14080, 20567), (14410, 20096), (16768, 17270)]