216961920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{5381}}^1$

素因数の和:5413

約数の個数: 192

約数和(自身を含む): 856383840

約数和(自身を除く): 639421920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5381, 5760, 6720, 8064, 10080, 10762, 13440, 16143, 20160, 21524, 26905, 32286, 37667, 40320, 43048, 48429, 53810, 64572, 75334, 80715, 86096, 96858, 107620, 113001, 129144, 150668, 161430, 172192, 188335, 193716, 215240, 226002, 242145, 258288, 301336, 322860, 339003, 344384, 376670, 387432, 430480, 452004, 484290, 516576, 565005, 602672, 645720, 678006, 688768, 753340, 774864, 860960, 904008, 968580, 1033152, 1130010, 1205344, 1291440, 1356012, 1506680, 1549728, 1695015, 1721920, 1808016, 1937160, 2066304, 2260020, 2410688, 2582880, 2712024, 3013360, 3099456, 3390030, 3443840, 3616032, 3874320, 4520040, 4821376, 5165760, 5424048, 6026720, 6198912, 6780060, 7232064, 7748640, 9040080, 10331520, 10848096, 12053440, 13560120, 14464128, 15497280, 18080160, 21696192, 24106880, 27120240, 30994560, 36160320, 43392384, 54240480, 72320640, 108480960, 216961920]

約数ペア:

[(1, 216961920), (2, 108480960), (3, 72320640), (4, 54240480), (5, 43392384), (6, 36160320), (7, 30994560), (8, 27120240), (9, 24106880), (10, 21696192), (12, 18080160), (14, 15497280), (15, 14464128), (16, 13560120), (18, 12053440), (20, 10848096), (21, 10331520), (24, 9040080), (28, 7748640), (30, 7232064), (32, 6780060), (35, 6198912), (36, 6026720), (40, 5424048), (42, 5165760), (45, 4821376), (48, 4520040), (56, 3874320), (60, 3616032), (63, 3443840), (64, 3390030), (70, 3099456), (72, 3013360), (80, 2712024), (84, 2582880), (90, 2410688), (96, 2260020), (105, 2066304), (112, 1937160), (120, 1808016), (126, 1721920), (128, 1695015), (140, 1549728), (144, 1506680), (160, 1356012), (168, 1291440), (180, 1205344), (192, 1130010), (210, 1033152), (224, 968580), (240, 904008), (252, 860960), (280, 774864), (288, 753340), (315, 688768), (320, 678006), (336, 645720), (360, 602672), (384, 565005), (420, 516576), (448, 484290), (480, 452004), (504, 430480), (560, 387432), (576, 376670), (630, 344384), (640, 339003), (672, 322860), (720, 301336), (840, 258288), (896, 242145), (960, 226002), (1008, 215240), (1120, 193716), (1152, 188335), (1260, 172192), (1344, 161430), (1440, 150668), (1680, 129144), (1920, 113001), (2016, 107620), (2240, 96858), (2520, 86096), (2688, 80715), (2880, 75334), (3360, 64572), (4032, 53810), (4480, 48429), (5040, 43048), (5381, 40320), (5760, 37667), (6720, 32286), (8064, 26905), (10080, 21524), (10762, 20160), (13440, 16143)]