261541440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{30271}}^1$

素因数の和:30297

約数の個数: 112

約数和(自身を含む): 922690560

約数和(自身を除く): 661149120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 30271, 60542, 90813, 121084, 151355, 181626, 242168, 272439, 302710, 363252, 454065, 484336, 544878, 605420, 726504, 817317, 908130, 968672, 1089756, 1210840, 1362195, 1453008, 1634634, 1816260, 1937344, 2179512, 2421680, 2724390, 2906016, 3269268, 3632520, 4086585, 4359024, 4843360, 5448780, 5812032, 6538536, 7265040, 8173170, 8718048, 9686720, 10897560, 13077072, 14530080, 16346340, 17436096, 21795120, 26154144, 29060160, 32692680, 43590240, 52308288, 65385360, 87180480, 130770720, 261541440]

約数ペア:

[(1, 261541440), (2, 130770720), (3, 87180480), (4, 65385360), (5, 52308288), (6, 43590240), (8, 32692680), (9, 29060160), (10, 26154144), (12, 21795120), (15, 17436096), (16, 16346340), (18, 14530080), (20, 13077072), (24, 10897560), (27, 9686720), (30, 8718048), (32, 8173170), (36, 7265040), (40, 6538536), (45, 5812032), (48, 5448780), (54, 4843360), (60, 4359024), (64, 4086585), (72, 3632520), (80, 3269268), (90, 2906016), (96, 2724390), (108, 2421680), (120, 2179512), (135, 1937344), (144, 1816260), (160, 1634634), (180, 1453008), (192, 1362195), (216, 1210840), (240, 1089756), (270, 968672), (288, 908130), (320, 817317), (360, 726504), (432, 605420), (480, 544878), (540, 484336), (576, 454065), (720, 363252), (864, 302710), (960, 272439), (1080, 242168), (1440, 181626), (1728, 151355), (2160, 121084), (2880, 90813), (4320, 60542), (8640, 30271)]