1564230640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2793269}}^1$

素因数の和:2793289

約数の個数: 40

約数和(自身を含む): 4156385760

約数和(自身を除く): 2592155120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2793269, 5586538, 11173076, 13966345, 19552883, 22346152, 27932690, 39105766, 44692304, 55865380, 78211532, 97764415, 111730760, 156423064, 195528830, 223461520, 312846128, 391057660, 782115320, 1564230640]

約数ペア:

[(1, 1564230640), (2, 782115320), (4, 391057660), (5, 312846128), (7, 223461520), (8, 195528830), (10, 156423064), (14, 111730760), (16, 97764415), (20, 78211532), (28, 55865380), (35, 44692304), (40, 39105766), (56, 27932690), (70, 22346152), (80, 19552883), (112, 13966345), (140, 11173076), (280, 5586538), (560, 2793269)]