221408640

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{4271}}^1$

素因数の和:4302

約数の個数: 160

約数和(自身を含む): 790875360

約数和(自身を除く): 569466720

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, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4271, 4320, 5184, 5760, 6480, 8542, 8640, 10368, 12813, 12960, 17084, 17280, 21355, 25626, 25920, 34168, 38439, 42710, 51252, 51840, 64065, 68336, 76878, 85420, 102504, 115317, 128130, 136672, 153756, 170840, 192195, 205008, 230634, 256260, 273344, 307512, 341680, 345951, 384390, 410016, 461268, 512520, 546688, 576585, 615024, 683360, 691902, 768780, 820032, 922536, 1025040, 1153170, 1230048, 1366720, 1383804, 1537560, 1640064, 1729755, 1845072, 2050080, 2306340, 2460096, 2733440, 2767608, 3075120, 3459510, 3690144, 4100160, 4612680, 4920192, 5535216, 6150240, 6919020, 7380288, 8200320, 9225360, 11070432, 12300480, 13838040, 14760576, 18450720, 22140864, 24600960, 27676080, 36901440, 44281728, 55352160, 73802880, 110704320, 221408640]

約数ペア:

[(1, 221408640), (2, 110704320), (3, 73802880), (4, 55352160), (5, 44281728), (6, 36901440), (8, 27676080), (9, 24600960), (10, 22140864), (12, 18450720), (15, 14760576), (16, 13838040), (18, 12300480), (20, 11070432), (24, 9225360), (27, 8200320), (30, 7380288), (32, 6919020), (36, 6150240), (40, 5535216), (45, 4920192), (48, 4612680), (54, 4100160), (60, 3690144), (64, 3459510), (72, 3075120), (80, 2767608), (81, 2733440), (90, 2460096), (96, 2306340), (108, 2050080), (120, 1845072), (128, 1729755), (135, 1640064), (144, 1537560), (160, 1383804), (162, 1366720), (180, 1230048), (192, 1153170), (216, 1025040), (240, 922536), (270, 820032), (288, 768780), (320, 691902), (324, 683360), (360, 615024), (384, 576585), (405, 546688), (432, 512520), (480, 461268), (540, 410016), (576, 384390), (640, 345951), (648, 341680), (720, 307512), (810, 273344), (864, 256260), (960, 230634), (1080, 205008), (1152, 192195), (1296, 170840), (1440, 153756), (1620, 136672), (1728, 128130), (1920, 115317), (2160, 102504), (2592, 85420), (2880, 76878), (3240, 68336), (3456, 64065), (4271, 51840), (4320, 51252), (5184, 42710), (5760, 38439), (6480, 34168), (8542, 25920), (8640, 25626), (10368, 21355), (12813, 17280), (12960, 17084)]