61213620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78479}}^1$

素因数の和:78504

約数の個数: 48

約数和(自身を含む): 184584960

約数和(自身を除く): 123371340

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, 78479, 156958, 235437, 313916, 392395, 470874, 784790, 941748, 1020227, 1177185, 1569580, 2040454, 2354370, 3060681, 4080908, 4708740, 5101135, 6121362, 10202270, 12242724, 15303405, 20404540, 30606810, 61213620]

約数ペア:

[(1, 61213620), (2, 30606810), (3, 20404540), (4, 15303405), (5, 12242724), (6, 10202270), (10, 6121362), (12, 5101135), (13, 4708740), (15, 4080908), (20, 3060681), (26, 2354370), (30, 2040454), (39, 1569580), (52, 1177185), (60, 1020227), (65, 941748), (78, 784790), (130, 470874), (156, 392395), (195, 313916), (260, 235437), (390, 156958), (780, 78479)]