215529080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31883}}^1$

素因数の和:31920

約数の個数: 48

約数和(自身を含む): 525129480

約数和(自身を除く): 309600400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 31883, 63766, 127532, 159415, 255064, 318830, 414479, 637660, 828958, 1275320, 1657916, 2072395, 3315832, 4144790, 5388227, 8289580, 10776454, 16579160, 21552908, 26941135, 43105816, 53882270, 107764540, 215529080]

約数ペア:

[(1, 215529080), (2, 107764540), (4, 53882270), (5, 43105816), (8, 26941135), (10, 21552908), (13, 16579160), (20, 10776454), (26, 8289580), (40, 5388227), (52, 4144790), (65, 3315832), (104, 2072395), (130, 1657916), (169, 1275320), (260, 828958), (338, 637660), (520, 414479), (676, 318830), (845, 255064), (1352, 159415), (1690, 127532), (3380, 63766), (6760, 31883)]