30390640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54269}}^1$

素因数の和:54289

約数の個数: 40

約数和(自身を含む): 80753760

約数和(自身を除く): 50363120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54269, 108538, 217076, 271345, 379883, 434152, 542690, 759766, 868304, 1085380, 1519532, 1899415, 2170760, 3039064, 3798830, 4341520, 6078128, 7597660, 15195320, 30390640]

約数ペア:

[(1, 30390640), (2, 15195320), (4, 7597660), (5, 6078128), (7, 4341520), (8, 3798830), (10, 3039064), (14, 2170760), (16, 1899415), (20, 1519532), (28, 1085380), (35, 868304), (40, 759766), (56, 542690), (70, 434152), (80, 379883), (112, 271345), (140, 217076), (280, 108538), (560, 54269)]