16986540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3181}}^1$

素因数の和:3282

約数の個数: 48

約数和(自身を含む): 48111840

約数和(自身を除く): 31125300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3181, 5340, 6362, 9543, 12724, 15905, 19086, 31810, 38172, 47715, 63620, 95430, 190860, 283109, 566218, 849327, 1132436, 1415545, 1698654, 2831090, 3397308, 4246635, 5662180, 8493270, 16986540]

約数ペア:

[(1, 16986540), (2, 8493270), (3, 5662180), (4, 4246635), (5, 3397308), (6, 2831090), (10, 1698654), (12, 1415545), (15, 1132436), (20, 849327), (30, 566218), (60, 283109), (89, 190860), (178, 95430), (267, 63620), (356, 47715), (445, 38172), (534, 31810), (890, 19086), (1068, 15905), (1335, 12724), (1780, 9543), (2670, 6362), (3181, 5340)]