15729840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3121}}^1$

素因数の和:3147

約数の個数: 120

約数和(自身を含む): 60391968

約数和(自身を除く): 44662128

約数列:

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

約数ペア:

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