31459680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{3121}}^1$

素因数の和:3149

約数の個数: 144

約数和(自身を含む): 122732064

約数和(自身を除く): 91272384

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3121, 3360, 5040, 6242, 9363, 10080, 12484, 15605, 18726, 21847, 24968, 28089, 31210, 37452, 43694, 46815, 49936, 56178, 62420, 65541, 74904, 87388, 93630, 99872, 109235, 112356, 124840, 131082, 140445, 149808, 174776, 187260, 196623, 218470, 224712, 249680, 262164, 280890, 299616, 327705, 349552, 374520, 393246, 436940, 449424, 499360, 524328, 561780, 655410, 699104, 749040, 786492, 873880, 898848, 983115, 1048656, 1123560, 1310820, 1498080, 1572984, 1747760, 1966230, 2097312, 2247120, 2621640, 3145968, 3495520, 3932460, 4494240, 5243280, 6291936, 7864920, 10486560, 15729840, 31459680]

約数ペア:

[(1, 31459680), (2, 15729840), (3, 10486560), (4, 7864920), (5, 6291936), (6, 5243280), (7, 4494240), (8, 3932460), (9, 3495520), (10, 3145968), (12, 2621640), (14, 2247120), (15, 2097312), (16, 1966230), (18, 1747760), (20, 1572984), (21, 1498080), (24, 1310820), (28, 1123560), (30, 1048656), (32, 983115), (35, 898848), (36, 873880), (40, 786492), (42, 749040), (45, 699104), (48, 655410), (56, 561780), (60, 524328), (63, 499360), (70, 449424), (72, 436940), (80, 393246), (84, 374520), (90, 349552), (96, 327705), (105, 299616), (112, 280890), (120, 262164), (126, 249680), (140, 224712), (144, 218470), (160, 196623), (168, 187260), (180, 174776), (210, 149808), (224, 140445), (240, 131082), (252, 124840), (280, 112356), (288, 109235), (315, 99872), (336, 93630), (360, 87388), (420, 74904), (480, 65541), (504, 62420), (560, 56178), (630, 49936), (672, 46815), (720, 43694), (840, 37452), (1008, 31210), (1120, 28089), (1260, 24968), (1440, 21847), (1680, 18726), (2016, 15605), (2520, 12484), (3121, 10080), (3360, 9363), (5040, 6242)]