12009420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 36769824

約数和(自身を除く): 24760404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 487, 548, 685, 822, 974, 1233, 1370, 1461, 1644, 1948, 2055, 2435, 2466, 2740, 2922, 4110, 4383, 4870, 4932, 5844, 6165, 7305, 8220, 8766, 9740, 12330, 14610, 17532, 21915, 24660, 29220, 43830, 66719, 87660, 133438, 200157, 266876, 333595, 400314, 600471, 667190, 800628, 1000785, 1200942, 1334380, 2001570, 2401884, 3002355, 4003140, 6004710, 12009420]

約数ペア:

[(1, 12009420), (2, 6004710), (3, 4003140), (4, 3002355), (5, 2401884), (6, 2001570), (9, 1334380), (10, 1200942), (12, 1000785), (15, 800628), (18, 667190), (20, 600471), (30, 400314), (36, 333595), (45, 266876), (60, 200157), (90, 133438), (137, 87660), (180, 66719), (274, 43830), (411, 29220), (487, 24660), (548, 21915), (685, 17532), (822, 14610), (974, 12330), (1233, 9740), (1370, 8766), (1461, 8220), (1644, 7305), (1948, 6165), (2055, 5844), (2435, 4932), (2466, 4870), (2740, 4383), (2922, 4110)]