21477851520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{360851}}^1$

素因数の和:360904

約数の個数: 128

約数和(自身を含む): 70669255680

約数和(自身を除く): 49191404160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 19840, 29760, 59520, 360851, 721702, 1082553, 1443404, 1804255, 2165106, 2886808, 3608510, 4330212, 5412765, 5773616, 7217020, 8660424, 10825530, 11186381, 11547232, 14434040, 17320848, 21651060, 22372762, 23094464, 28868080, 33559143, 34641696, 43302120, 44745524, 46188928, 55931905, 57736160, 67118286, 69283392, 86604240, 89491048, 111863810, 115472320, 134236572, 138566784, 167795715, 173208480, 178982096, 223727620, 230944640, 268473144, 335591430, 346416960, 357964192, 447455240, 536946288, 671182860, 692833920, 715928384, 894910480, 1073892576, 1342365720, 1431856768, 1789820960, 2147785152, 2684731440, 3579641920, 4295570304, 5369462880, 7159283840, 10738925760, 21477851520]

約数ペア:

[(1, 21477851520), (2, 10738925760), (3, 7159283840), (4, 5369462880), (5, 4295570304), (6, 3579641920), (8, 2684731440), (10, 2147785152), (12, 1789820960), (15, 1431856768), (16, 1342365720), (20, 1073892576), (24, 894910480), (30, 715928384), (31, 692833920), (32, 671182860), (40, 536946288), (48, 447455240), (60, 357964192), (62, 346416960), (64, 335591430), (80, 268473144), (93, 230944640), (96, 223727620), (120, 178982096), (124, 173208480), (128, 167795715), (155, 138566784), (160, 134236572), (186, 115472320), (192, 111863810), (240, 89491048), (248, 86604240), (310, 69283392), (320, 67118286), (372, 57736160), (384, 55931905), (465, 46188928), (480, 44745524), (496, 43302120), (620, 34641696), (640, 33559143), (744, 28868080), (930, 23094464), (960, 22372762), (992, 21651060), (1240, 17320848), (1488, 14434040), (1860, 11547232), (1920, 11186381), (1984, 10825530), (2480, 8660424), (2976, 7217020), (3720, 5773616), (3968, 5412765), (4960, 4330212), (5952, 3608510), (7440, 2886808), (9920, 2165106), (11904, 1804255), (14880, 1443404), (19840, 1082553), (29760, 721702), (59520, 360851)]