81600870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209233}}^1$

素因数の和:209256

約数の個数: 32

約数和(自身を含む): 210907872

約数和(自身を除く): 129307002

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 209233, 418466, 627699, 1046165, 1255398, 2092330, 2720029, 3138495, 5440058, 6276990, 8160087, 13600145, 16320174, 27200290, 40800435, 81600870]

約数ペア:

[(1, 81600870), (2, 40800435), (3, 27200290), (5, 16320174), (6, 13600145), (10, 8160087), (13, 6276990), (15, 5440058), (26, 3138495), (30, 2720029), (39, 2092330), (65, 1255398), (78, 1046165), (130, 627699), (195, 418466), (390, 209233)]