18636480

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{719}}^1$

素因数の和:748

約数の個数: 140

約数和(自身を含む): 66385440

約数和(自身を除く): 47748960

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, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 719, 720, 810, 864, 960, 1080, 1296, 1438, 1440, 1620, 1728, 2157, 2160, 2592, 2876, 2880, 3240, 3595, 4314, 4320, 5184, 5752, 6471, 6480, 7190, 8628, 8640, 10785, 11504, 12942, 12960, 14380, 17256, 19413, 21570, 23008, 25884, 25920, 28760, 32355, 34512, 38826, 43140, 46016, 51768, 57520, 58239, 64710, 69024, 77652, 86280, 97065, 103536, 115040, 116478, 129420, 138048, 155304, 172560, 194130, 207072, 230080, 232956, 258840, 291195, 310608, 345120, 388260, 414144, 465912, 517680, 582390, 621216, 690240, 776520, 931824, 1035360, 1164780, 1242432, 1553040, 1863648, 2070720, 2329560, 3106080, 3727296, 4659120, 6212160, 9318240, 18636480]

約数ペア:

[(1, 18636480), (2, 9318240), (3, 6212160), (4, 4659120), (5, 3727296), (6, 3106080), (8, 2329560), (9, 2070720), (10, 1863648), (12, 1553040), (15, 1242432), (16, 1164780), (18, 1035360), (20, 931824), (24, 776520), (27, 690240), (30, 621216), (32, 582390), (36, 517680), (40, 465912), (45, 414144), (48, 388260), (54, 345120), (60, 310608), (64, 291195), (72, 258840), (80, 232956), (81, 230080), (90, 207072), (96, 194130), (108, 172560), (120, 155304), (135, 138048), (144, 129420), (160, 116478), (162, 115040), (180, 103536), (192, 97065), (216, 86280), (240, 77652), (270, 69024), (288, 64710), (320, 58239), (324, 57520), (360, 51768), (405, 46016), (432, 43140), (480, 38826), (540, 34512), (576, 32355), (648, 28760), (719, 25920), (720, 25884), (810, 23008), (864, 21570), (960, 19413), (1080, 17256), (1296, 14380), (1438, 12960), (1440, 12942), (1620, 11504), (1728, 10785), (2157, 8640), (2160, 8628), (2592, 7190), (2876, 6480), (2880, 6471), (3240, 5752), (3595, 5184), (4314, 4320)]