256504320

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{1237}}^1$

素因数の和:1272

約数の個数: 200

約数和(自身を含む): 919460124

約数和(自身を除く): 662955804

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, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1237, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2160, 2304, 2474, 2560, 2592, 2880, 3240, 3456, 3711, 3840, 4320, 4608, 4948, 5184, 5760, 6185, 6480, 6912, 7422, 7680, 8640, 9896, 10368, 11133, 11520, 12370, 12960, 13824, 14844, 17280, 18555, 19792, 20736, 22266, 23040, 24740, 25920, 29688, 33399, 34560, 37110, 39584, 41472, 44532, 49480, 51840, 55665, 59376, 66798, 69120, 74220, 79168, 89064, 98960, 100197, 103680, 111330, 118752, 133596, 148440, 158336, 166995, 178128, 197920, 200394, 207360, 222660, 237504, 267192, 296880, 316672, 333990, 356256, 395840, 400788, 445320, 475008, 500985, 534384, 593760, 633344, 667980, 712512, 791680, 801576, 890640, 950016, 1001970, 1068768, 1187520, 1335960, 1425024, 1583360, 1603152, 1781280, 1900032, 2003940, 2137536, 2375040, 2671920, 2850048, 3166720, 3206304, 3562560, 4007880, 4275072, 4750080, 5343840, 5700096, 6412608, 7125120, 8015760, 8550144, 9500160, 10687680, 12825216, 14250240, 16031520, 17100288, 21375360, 25650432, 28500480, 32063040, 42750720, 51300864, 64126080, 85501440, 128252160, 256504320]

約数ペア:

[(1, 256504320), (2, 128252160), (3, 85501440), (4, 64126080), (5, 51300864), (6, 42750720), (8, 32063040), (9, 28500480), (10, 25650432), (12, 21375360), (15, 17100288), (16, 16031520), (18, 14250240), (20, 12825216), (24, 10687680), (27, 9500160), (30, 8550144), (32, 8015760), (36, 7125120), (40, 6412608), (45, 5700096), (48, 5343840), (54, 4750080), (60, 4275072), (64, 4007880), (72, 3562560), (80, 3206304), (81, 3166720), (90, 2850048), (96, 2671920), (108, 2375040), (120, 2137536), (128, 2003940), (135, 1900032), (144, 1781280), (160, 1603152), (162, 1583360), (180, 1425024), (192, 1335960), (216, 1187520), (240, 1068768), (256, 1001970), (270, 950016), (288, 890640), (320, 801576), (324, 791680), (360, 712512), (384, 667980), (405, 633344), (432, 593760), (480, 534384), (512, 500985), (540, 475008), (576, 445320), (640, 400788), (648, 395840), (720, 356256), (768, 333990), (810, 316672), (864, 296880), (960, 267192), (1080, 237504), (1152, 222660), (1237, 207360), (1280, 200394), (1296, 197920), (1440, 178128), (1536, 166995), (1620, 158336), (1728, 148440), (1920, 133596), (2160, 118752), (2304, 111330), (2474, 103680), (2560, 100197), (2592, 98960), (2880, 89064), (3240, 79168), (3456, 74220), (3711, 69120), (3840, 66798), (4320, 59376), (4608, 55665), (4948, 51840), (5184, 49480), (5760, 44532), (6185, 41472), (6480, 39584), (6912, 37110), (7422, 34560), (7680, 33399), (8640, 29688), (9896, 25920), (10368, 24740), (11133, 23040), (11520, 22266), (12370, 20736), (12960, 19792), (13824, 18555), (14844, 17280)]