21461635756800

素因数分解:

$2^8\times 3^3\times 5^2\times {\mathrm{347}}^1\times {\mathrm{359}}^1\times {\mathrm{997}}^1$

素因数の和:1738

約数の個数: 864

約数和(自身を含む): 79223654361600

約数和(自身を除く): 57762018604800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 347, 359, 360, 384, 400, 432, 450, 480, 540, 576, 600, 640, 675, 694, 718, 720, 768, 800, 864, 900, 960, 997, 1041, 1077, 1080, 1152, 1200, 1280, 1350, 1388, 1436, 1440, 1600, 1728, 1735, 1795, 1800, 1920, 1994, 2082, 2154, 2160, 2304, 2400, 2700, 2776, 2872, 2880, 2991, 3123, 3200, 3231, 3456, 3470, 3590, 3600, 3840, 3988, 4164, 4308, 4320, 4800, 4985, 5205, 5385, 5400, 5552, 5744, 5760, 5982, 6246, 6400, 6462, 6912, 6940, 7180, 7200, 7976, 8328, 8616, 8640, 8675, 8973, 8975, 9369, 9600, 9693, 9970, 10410, 10770, 10800, 11104, 11488, 11520, 11964, 12492, 12924, 13880, 14360, 14400, 14955, 15615, 15952, 16155, 16656, 17232, 17280, 17350, 17946, 17950, 18738, 19200, 19386, 19940, 20820, 21540, 21600, 22208, 22976, 23928, 24925, 24984, 25848, 26025, 26919, 26925, 27760, 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約数ペア:

[(1, 21461635756800), (2, 10730817878400), (3, 7153878585600), (4, 5365408939200), (5, 4292327151360), (6, 3576939292800), (8, 2682704469600), (9, 2384626195200), (10, 2146163575680), (12, 1788469646400), (15, 1430775717120), (16, 1341352234800), (18, 1192313097600), (20, 1073081787840), (24, 894234823200), (25, 858465430272), (27, 794875398400), (30, 715387858560), (32, 670676117400), (36, 596156548800), (40, 536540893920), (45, 476925239040), (48, 447117411600), (50, 429232715136), (54, 397437699200), (60, 357693929280), (64, 335338058700), (72, 298078274400), (75, 286155143424), (80, 268270446960), (90, 238462619520), (96, 223558705800), (100, 214616357568), (108, 198718849600), (120, 178846964640), (128, 167669029350), (135, 158975079680), (144, 149039137200), (150, 143077571712), (160, 134135223480), (180, 119231309760), (192, 111779352900), (200, 107308178784), (216, 99359424800), (225, 95385047808), (240, 89423482320), (256, 83834514675), (270, 79487539840), (288, 74519568600), 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