679968640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81727}}^1$

素因数の和:81759

約数の個数: 64

約数和(自身を含む): 1750613760

約数和(自身を除く): 1070645120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 81727, 163454, 326908, 408635, 653816, 817270, 1062451, 1307632, 1634540, 2124902, 2615264, 3269080, 4249804, 5230528, 5312255, 6538160, 8499608, 10461056, 10624510, 13076320, 16999216, 21249020, 26152640, 33998432, 42498040, 52305280, 67996864, 84996080, 135993728, 169992160, 339984320, 679968640]

約数ペア:

[(1, 679968640), (2, 339984320), (4, 169992160), (5, 135993728), (8, 84996080), (10, 67996864), (13, 52305280), (16, 42498040), (20, 33998432), (26, 26152640), (32, 21249020), (40, 16999216), (52, 13076320), (64, 10624510), (65, 10461056), (80, 8499608), (104, 6538160), (128, 5312255), (130, 5230528), (160, 4249804), (208, 3269080), (260, 2615264), (320, 2124902), (416, 1634540), (520, 1307632), (640, 1062451), (832, 817270), (1040, 653816), (1664, 408635), (2080, 326908), (4160, 163454), (8320, 81727)]