641675520

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{2063}}^1$

素因数の和:2099

約数の個数: 216

約数和(自身を含む): 2303473536

約数和(自身を除く): 1661798016

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, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 2063, 2160, 2304, 2430, 2592, 2880, 3240, 3456, 3840, 3888, 4126, 4320, 4860, 5184, 5760, 6189, 6480, 6912, 7776, 8252, 8640, 9720, 10315, 10368, 11520, 12378, 12960, 15552, 16504, 17280, 18567, 19440, 20630, 20736, 24756, 25920, 30945, 31104, 33008, 34560, 37134, 38880, 41260, 49512, 51840, 55701, 61890, 62208, 66016, 74268, 77760, 82520, 92835, 99024, 103680, 111402, 123780, 132032, 148536, 155520, 165040, 167103, 185670, 198048, 222804, 247560, 264064, 278505, 297072, 311040, 330080, 334206, 371340, 396096, 445608, 495120, 501309, 528128, 557010, 594144, 660160, 668412, 742680, 792192, 835515, 891216, 990240, 1002618, 1114020, 1188288, 1320320, 1336824, 1485360, 1584384, 1671030, 1782432, 1980480, 2005236, 2228040, 2376576, 2506545, 2640640, 2673648, 2970720, 3342060, 3564864, 3960960, 4010472, 4456080, 4753152, 5013090, 5347296, 5941440, 6684120, 7129728, 7921920, 8020944, 8912160, 10026180, 10694592, 11882880, 13368240, 14259456, 16041888, 17824320, 20052360, 21389184, 23765760, 26736480, 32083776, 35648640, 40104720, 42778368, 53472960, 64167552, 71297280, 80209440, 106945920, 128335104, 160418880, 213891840, 320837760, 641675520]

約数ペア:

[(1, 641675520), (2, 320837760), (3, 213891840), (4, 160418880), (5, 128335104), (6, 106945920), (8, 80209440), (9, 71297280), (10, 64167552), (12, 53472960), (15, 42778368), (16, 40104720), (18, 35648640), (20, 32083776), (24, 26736480), (27, 23765760), (30, 21389184), (32, 20052360), (36, 17824320), (40, 16041888), (45, 14259456), (48, 13368240), (54, 11882880), (60, 10694592), (64, 10026180), (72, 8912160), (80, 8020944), (81, 7921920), (90, 7129728), (96, 6684120), (108, 5941440), (120, 5347296), (128, 5013090), (135, 4753152), (144, 4456080), (160, 4010472), (162, 3960960), (180, 3564864), (192, 3342060), (216, 2970720), (240, 2673648), (243, 2640640), (256, 2506545), (270, 2376576), (288, 2228040), (320, 2005236), (324, 1980480), (360, 1782432), (384, 1671030), (405, 1584384), (432, 1485360), (480, 1336824), (486, 1320320), (540, 1188288), (576, 1114020), (640, 1002618), (648, 990240), (720, 891216), (768, 835515), (810, 792192), (864, 742680), (960, 668412), (972, 660160), (1080, 594144), (1152, 557010), (1215, 528128), (1280, 501309), (1296, 495120), (1440, 445608), (1620, 396096), (1728, 371340), (1920, 334206), (1944, 330080), (2063, 311040), (2160, 297072), (2304, 278505), (2430, 264064), (2592, 247560), (2880, 222804), (3240, 198048), (3456, 185670), (3840, 167103), (3888, 165040), (4126, 155520), (4320, 148536), (4860, 132032), (5184, 123780), (5760, 111402), (6189, 103680), (6480, 99024), (6912, 92835), (7776, 82520), (8252, 77760), (8640, 74268), (9720, 66016), (10315, 62208), (10368, 61890), (11520, 55701), (12378, 51840), (12960, 49512), (15552, 41260), (16504, 38880), (17280, 37134), (18567, 34560), (19440, 33008), (20630, 31104), (20736, 30945), (24756, 25920)]