80628660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:830

約数の個数: 144

約数和(自身を含む): 283046400

約数和(自身を除く): 202417740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 719, 801, 890, 1068, 1246, 1260, 1335, 1438, 1602, 1780, 1869, 2157, 2492, 2670, 2876, 3115, 3204, 3595, 3738, 4005, 4314, 5033, 5340, 5607, 6230, 6471, 7190, 7476, 8010, 8628, 9345, 10066, 10785, 11214, 12460, 12942, 14380, 15099, 16020, 18690, 20132, 21570, 22428, 25165, 25884, 28035, 30198, 32355, 37380, 43140, 45297, 50330, 56070, 60396, 63991, 64710, 75495, 90594, 100660, 112140, 127982, 129420, 150990, 181188, 191973, 226485, 255964, 301980, 319955, 383946, 447937, 452970, 575919, 639910, 767892, 895874, 905940, 959865, 1151838, 1279820, 1343811, 1791748, 1919730, 2239685, 2303676, 2687622, 2879595, 3839460, 4031433, 4479370, 5375244, 5759190, 6719055, 8062866, 8958740, 11518380, 13438110, 16125732, 20157165, 26876220, 40314330, 80628660]

約数ペア:

[(1, 80628660), (2, 40314330), (3, 26876220), (4, 20157165), (5, 16125732), (6, 13438110), (7, 11518380), (9, 8958740), (10, 8062866), (12, 6719055), (14, 5759190), (15, 5375244), (18, 4479370), (20, 4031433), (21, 3839460), (28, 2879595), (30, 2687622), (35, 2303676), (36, 2239685), (42, 1919730), (45, 1791748), (60, 1343811), (63, 1279820), (70, 1151838), (84, 959865), (89, 905940), (90, 895874), (105, 767892), (126, 639910), (140, 575919), (178, 452970), (180, 447937), (210, 383946), (252, 319955), (267, 301980), (315, 255964), (356, 226485), (420, 191973), (445, 181188), (534, 150990), (623, 129420), (630, 127982), (719, 112140), (801, 100660), (890, 90594), (1068, 75495), (1246, 64710), (1260, 63991), (1335, 60396), (1438, 56070), (1602, 50330), (1780, 45297), (1869, 43140), (2157, 37380), (2492, 32355), (2670, 30198), (2876, 28035), (3115, 25884), (3204, 25165), (3595, 22428), (3738, 21570), (4005, 20132), (4314, 18690), (5033, 16020), (5340, 15099), (5607, 14380), (6230, 12942), (6471, 12460), (7190, 11214), (7476, 10785), (8010, 10066), (8628, 9345)]