77440140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3947}}^1$

素因数の和:4071

約数の個数: 72

約数和(自身を含む): 237116880

約数和(自身を除く): 159676740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 3947, 4905, 6540, 7894, 9810, 11841, 15788, 19620, 19735, 23682, 35523, 39470, 47364, 59205, 71046, 78940, 118410, 142092, 177615, 236820, 355230, 430223, 710460, 860446, 1290669, 1720892, 2151115, 2581338, 3872007, 4302230, 5162676, 6453345, 7744014, 8604460, 12906690, 15488028, 19360035, 25813380, 38720070, 77440140]

約数ペア:

[(1, 77440140), (2, 38720070), (3, 25813380), (4, 19360035), (5, 15488028), (6, 12906690), (9, 8604460), (10, 7744014), (12, 6453345), (15, 5162676), (18, 4302230), (20, 3872007), (30, 2581338), (36, 2151115), (45, 1720892), (60, 1290669), (90, 860446), (109, 710460), (180, 430223), (218, 355230), (327, 236820), (436, 177615), (545, 142092), (654, 118410), (981, 78940), (1090, 71046), (1308, 59205), (1635, 47364), (1962, 39470), (2180, 35523), (3270, 23682), (3924, 19735), (3947, 19620), (4905, 15788), (6540, 11841), (7894, 9810)]