4007281920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2003}}^1$

素因数の和:2548

約数の個数: 144

約数和(自身を含む): 12829223232

約数和(自身を除く): 8821941312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 521, 640, 768, 960, 1042, 1280, 1563, 1920, 2003, 2084, 2605, 3126, 3840, 4006, 4168, 5210, 6009, 6252, 7815, 8012, 8336, 10015, 10420, 12018, 12504, 15630, 16024, 16672, 20030, 20840, 24036, 25008, 30045, 31260, 32048, 33344, 40060, 41680, 48072, 50016, 60090, 62520, 64096, 66688, 80120, 83360, 96144, 100032, 120180, 125040, 128192, 133376, 160240, 166720, 192288, 200064, 240360, 250080, 256384, 320480, 333440, 384576, 400128, 480720, 500160, 512768, 640960, 666880, 769152, 961440, 1000320, 1043563, 1281920, 1538304, 1922880, 2000640, 2087126, 2563840, 3130689, 3845760, 4174252, 5217815, 6261378, 7691520, 8348504, 10435630, 12522756, 15653445, 16697008, 20871260, 25045512, 31306890, 33394016, 41742520, 50091024, 62613780, 66788032, 83485040, 100182048, 125227560, 133576064, 166970080, 200364096, 250455120, 267152128, 333940160, 400728192, 500910240, 667880320, 801456384, 1001820480, 1335760640, 2003640960, 4007281920]

約数ペア:

[(1, 4007281920), (2, 2003640960), (3, 1335760640), (4, 1001820480), (5, 801456384), (6, 667880320), (8, 500910240), (10, 400728192), (12, 333940160), (15, 267152128), (16, 250455120), (20, 200364096), (24, 166970080), (30, 133576064), (32, 125227560), (40, 100182048), (48, 83485040), (60, 66788032), (64, 62613780), (80, 50091024), (96, 41742520), (120, 33394016), (128, 31306890), (160, 25045512), (192, 20871260), (240, 16697008), (256, 15653445), (320, 12522756), (384, 10435630), (480, 8348504), (521, 7691520), (640, 6261378), (768, 5217815), (960, 4174252), (1042, 3845760), (1280, 3130689), (1563, 2563840), (1920, 2087126), (2003, 2000640), (2084, 1922880), (2605, 1538304), (3126, 1281920), (3840, 1043563), (4006, 1000320), (4168, 961440), (5210, 769152), (6009, 666880), (6252, 640960), (7815, 512768), (8012, 500160), (8336, 480720), (10015, 400128), (10420, 384576), (12018, 333440), (12504, 320480), (15630, 256384), (16024, 250080), (16672, 240360), (20030, 200064), (20840, 192288), (24036, 166720), (25008, 160240), (30045, 133376), (31260, 128192), (32048, 125040), (33344, 120180), (40060, 100032), (41680, 96144), (48072, 83360), (50016, 80120), (60090, 66688), (62520, 64096)]