31456380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2351}}^1$

素因数の和:2586

約数の個数: 48

約数和(自身を含む): 88510464

約数和(自身を除く): 57054084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 2230, 2351, 2676, 3345, 4460, 4702, 6690, 7053, 9404, 11755, 13380, 14106, 23510, 28212, 35265, 47020, 70530, 141060, 524273, 1048546, 1572819, 2097092, 2621365, 3145638, 5242730, 6291276, 7864095, 10485460, 15728190, 31456380]

約数ペア:

[(1, 31456380), (2, 15728190), (3, 10485460), (4, 7864095), (5, 6291276), (6, 5242730), (10, 3145638), (12, 2621365), (15, 2097092), (20, 1572819), (30, 1048546), (60, 524273), (223, 141060), (446, 70530), (669, 47020), (892, 35265), (1115, 28212), (1338, 23510), (2230, 14106), (2351, 13380), (2676, 11755), (3345, 9404), (4460, 7053), (4702, 6690)]