221477760

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{1831}}^1$

素因数の和:1866

約数の個数: 256

約数和(自身を含む): 896947200

約数和(自身を除く): 675469440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1831, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3662, 3780, 4032, 4320, 4480, 5040, 5493, 5760, 6048, 6720, 7324, 7560, 8064, 8640, 9155, 10080, 10986, 12096, 12817, 13440, 14648, 15120, 16479, 17280, 18310, 20160, 21972, 24192, 25634, 27465, 29296, 30240, 32958, 36620, 38451, 40320, 43944, 49437, 51268, 54930, 58592, 60480, 64085, 65916, 73240, 76902, 82395, 87888, 98874, 102536, 109860, 115353, 117184, 120960, 128170, 131832, 146480, 153804, 164790, 175776, 192255, 197748, 205072, 219720, 230706, 234368, 247185, 256340, 263664, 292960, 307608, 329580, 346059, 351552, 384510, 395496, 410144, 439440, 461412, 494370, 512680, 527328, 576765, 585920, 615216, 659160, 692118, 703104, 769020, 790992, 820288, 878880, 922824, 988740, 1025360, 1054656, 1153530, 1171840, 1230432, 1318320, 1384236, 1538040, 1581984, 1640576, 1730295, 1757760, 1845648, 1977480, 2050720, 2109312, 2307060, 2460864, 2636640, 2768472, 3076080, 3163968, 3460590, 3515520, 3691296, 3954960, 4101440, 4614120, 4921728, 5273280, 5536944, 6152160, 6327936, 6921180, 7382592, 7909920, 8202880, 9228240, 10546560, 11073888, 12304320, 13842360, 14765184, 15819840, 18456480, 22147776, 24608640, 27684720, 31639680, 36912960, 44295552, 55369440, 73825920, 110738880, 221477760]

約数ペア:

[(1, 221477760), (2, 110738880), (3, 73825920), (4, 55369440), (5, 44295552), (6, 36912960), (7, 31639680), (8, 27684720), (9, 24608640), (10, 22147776), (12, 18456480), (14, 15819840), (15, 14765184), (16, 13842360), (18, 12304320), (20, 11073888), (21, 10546560), (24, 9228240), (27, 8202880), (28, 7909920), (30, 7382592), (32, 6921180), (35, 6327936), (36, 6152160), (40, 5536944), (42, 5273280), (45, 4921728), (48, 4614120), (54, 4101440), (56, 3954960), (60, 3691296), (63, 3515520), (64, 3460590), (70, 3163968), (72, 3076080), (80, 2768472), (84, 2636640), (90, 2460864), (96, 2307060), (105, 2109312), (108, 2050720), (112, 1977480), (120, 1845648), (126, 1757760), (128, 1730295), (135, 1640576), (140, 1581984), (144, 1538040), (160, 1384236), (168, 1318320), (180, 1230432), (189, 1171840), (192, 1153530), (210, 1054656), (216, 1025360), (224, 988740), (240, 922824), (252, 878880), (270, 820288), (280, 790992), (288, 769020), (315, 703104), (320, 692118), (336, 659160), (360, 615216), (378, 585920), (384, 576765), (420, 527328), (432, 512680), (448, 494370), (480, 461412), (504, 439440), (540, 410144), (560, 395496), (576, 384510), (630, 351552), (640, 346059), (672, 329580), (720, 307608), (756, 292960), (840, 263664), (864, 256340), (896, 247185), (945, 234368), (960, 230706), (1008, 219720), (1080, 205072), (1120, 197748), (1152, 192255), (1260, 175776), (1344, 164790), (1440, 153804), (1512, 146480), (1680, 131832), (1728, 128170), (1831, 120960), (1890, 117184), (1920, 115353), (2016, 109860), (2160, 102536), (2240, 98874), (2520, 87888), (2688, 82395), (2880, 76902), (3024, 73240), (3360, 65916), (3456, 64085), (3662, 60480), (3780, 58592), (4032, 54930), (4320, 51268), (4480, 49437), (5040, 43944), (5493, 40320), (5760, 38451), (6048, 36620), (6720, 32958), (7324, 30240), (7560, 29296), (8064, 27465), (8640, 25634), (9155, 24192), (10080, 21972), (10986, 20160), (12096, 18310), (12817, 17280), (13440, 16479), (14648, 15120)]