531461580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{681361}}^1$

素因数の和:681386

約数の個数: 48

約数和(自身を含む): 1602563424

約数和(自身を除く): 1071101844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 681361, 1362722, 2044083, 2725444, 3406805, 4088166, 6813610, 8176332, 8857693, 10220415, 13627220, 17715386, 20440830, 26573079, 35430772, 40881660, 44288465, 53146158, 88576930, 106292316, 132865395, 177153860, 265730790, 531461580]

約数ペア:

[(1, 531461580), (2, 265730790), (3, 177153860), (4, 132865395), (5, 106292316), (6, 88576930), (10, 53146158), (12, 44288465), (13, 40881660), (15, 35430772), (20, 26573079), (26, 20440830), (30, 17715386), (39, 13627220), (52, 10220415), (60, 8857693), (65, 8176332), (78, 6813610), (130, 4088166), (156, 3406805), (195, 2725444), (260, 2044083), (390, 1362722), (780, 681361)]