108720720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4871}}^1$

素因数の和:4921

約数の個数: 120

約数和(自身を含む): 376975872

約数和(自身を除く): 268255152

約数列:

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

約数ペア:

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