217441440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4871}}^1$

素因数の和:4923

約数の個数: 144

約数和(自身を含む): 766112256

約数和(自身を除く): 548670816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4871, 4960, 5580, 7440, 8928, 9742, 11160, 14613, 14880, 19484, 22320, 24355, 29226, 38968, 43839, 44640, 48710, 58452, 73065, 77936, 87678, 97420, 116904, 146130, 151001, 155872, 175356, 194840, 219195, 233808, 292260, 302002, 350712, 389680, 438390, 453003, 467616, 584520, 604004, 701424, 755005, 779360, 876780, 906006, 1169040, 1208008, 1359009, 1402848, 1510010, 1753560, 1812012, 2265015, 2338080, 2416016, 2718018, 3020020, 3507120, 3624024, 4530030, 4832032, 5436036, 6040040, 6795045, 7014240, 7248048, 9060060, 10872072, 12080080, 13590090, 14496096, 18120120, 21744144, 24160160, 27180180, 36240240, 43488288, 54360360, 72480480, 108720720, 217441440]

約数ペア:

[(1, 217441440), (2, 108720720), (3, 72480480), (4, 54360360), (5, 43488288), (6, 36240240), (8, 27180180), (9, 24160160), (10, 21744144), (12, 18120120), (15, 14496096), (16, 13590090), (18, 12080080), (20, 10872072), (24, 9060060), (30, 7248048), (31, 7014240), (32, 6795045), (36, 6040040), (40, 5436036), (45, 4832032), (48, 4530030), (60, 3624024), (62, 3507120), (72, 3020020), (80, 2718018), (90, 2416016), (93, 2338080), (96, 2265015), (120, 1812012), (124, 1753560), (144, 1510010), (155, 1402848), (160, 1359009), (180, 1208008), (186, 1169040), (240, 906006), (248, 876780), (279, 779360), (288, 755005), (310, 701424), (360, 604004), (372, 584520), (465, 467616), (480, 453003), (496, 438390), (558, 389680), (620, 350712), (720, 302002), (744, 292260), (930, 233808), (992, 219195), (1116, 194840), (1240, 175356), (1395, 155872), (1440, 151001), (1488, 146130), (1860, 116904), (2232, 97420), (2480, 87678), (2790, 77936), (2976, 73065), (3720, 58452), (4464, 48710), (4871, 44640), (4960, 43839), (5580, 38968), (7440, 29226), (8928, 24355), (9742, 22320), (11160, 19484), (14613, 14880)]