20179964160

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{64879}}^1$

素因数の和:64915

約数の個数: 216

約数和(自身を含む): 72407637120

約数和(自身を除く): 52227672960

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, 2160, 2304, 2430, 2592, 2880, 3240, 3456, 3840, 3888, 4320, 4860, 5184, 5760, 6480, 6912, 7776, 8640, 9720, 10368, 11520, 12960, 15552, 17280, 19440, 20736, 25920, 31104, 34560, 38880, 51840, 62208, 64879, 77760, 103680, 129758, 155520, 194637, 259516, 311040, 324395, 389274, 519032, 583911, 648790, 778548, 973185, 1038064, 1167822, 1297580, 1557096, 1751733, 1946370, 2076128, 2335644, 2595160, 2919555, 3114192, 3503466, 3892740, 4152256, 4671288, 5190320, 5255199, 5839110, 6228384, 7006932, 7785480, 8304512, 8758665, 9342576, 10380640, 10510398, 11678220, 12456768, 14013864, 15570960, 15765597, 16609024, 17517330, 18685152, 20761280, 21020796, 23356440, 24913536, 26275995, 28027728, 31141920, 31531194, 35034660, 37370304, 41522560, 42041592, 46712880, 49827072, 52551990, 56055456, 62283840, 63062388, 70069320, 74740608, 78827985, 83045120, 84083184, 93425760, 105103980, 112110912, 124567680, 126124776, 140138640, 149481216, 157655970, 168166368, 186851520, 210207960, 224221824, 249135360, 252249552, 280277280, 315311940, 336332736, 373703040, 420415920, 448443648, 504499104, 560554560, 630623880, 672665472, 747406080, 840831840, 1008998208, 1121109120, 1261247760, 1345330944, 1681663680, 2017996416, 2242218240, 2522495520, 3363327360, 4035992832, 5044991040, 6726654720, 10089982080, 20179964160]

約数ペア:

[(1, 20179964160), (2, 10089982080), (3, 6726654720), (4, 5044991040), (5, 4035992832), (6, 3363327360), (8, 2522495520), (9, 2242218240), (10, 2017996416), (12, 1681663680), (15, 1345330944), (16, 1261247760), (18, 1121109120), (20, 1008998208), (24, 840831840), (27, 747406080), (30, 672665472), (32, 630623880), (36, 560554560), (40, 504499104), (45, 448443648), (48, 420415920), (54, 373703040), (60, 336332736), (64, 315311940), (72, 280277280), (80, 252249552), (81, 249135360), (90, 224221824), (96, 210207960), (108, 186851520), (120, 168166368), (128, 157655970), (135, 149481216), (144, 140138640), (160, 126124776), (162, 124567680), (180, 112110912), (192, 105103980), (216, 93425760), (240, 84083184), (243, 83045120), (256, 78827985), (270, 74740608), (288, 70069320), (320, 63062388), (324, 62283840), (360, 56055456), (384, 52551990), (405, 49827072), (432, 46712880), (480, 42041592), (486, 41522560), (540, 37370304), (576, 35034660), (640, 31531194), (648, 31141920), (720, 28027728), (768, 26275995), (810, 24913536), (864, 23356440), (960, 21020796), (972, 20761280), (1080, 18685152), (1152, 17517330), (1215, 16609024), (1280, 15765597), (1296, 15570960), (1440, 14013864), (1620, 12456768), (1728, 11678220), (1920, 10510398), (1944, 10380640), (2160, 9342576), (2304, 8758665), (2430, 8304512), (2592, 7785480), (2880, 7006932), (3240, 6228384), (3456, 5839110), (3840, 5255199), (3888, 5190320), (4320, 4671288), (4860, 4152256), (5184, 3892740), (5760, 3503466), (6480, 3114192), (6912, 2919555), (7776, 2595160), (8640, 2335644), (9720, 2076128), (10368, 1946370), (11520, 1751733), (12960, 1557096), (15552, 1297580), (17280, 1167822), (19440, 1038064), (20736, 973185), (25920, 778548), (31104, 648790), (34560, 583911), (38880, 519032), (51840, 389274), (62208, 324395), (64879, 311040), (77760, 259516), (103680, 194637), (129758, 155520)]