69387880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1523}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 167883840

約数和(自身を除く): 98495960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 670, 680, 1139, 1340, 1523, 2278, 2680, 3046, 4556, 5695, 6092, 7615, 9112, 11390, 12184, 15230, 22780, 25891, 30460, 45560, 51782, 60920, 102041, 103564, 129455, 204082, 207128, 258910, 408164, 510205, 517820, 816328, 1020410, 1035640, 1734697, 2040820, 3469394, 4081640, 6938788, 8673485, 13877576, 17346970, 34693940, 69387880]

約数ペア:

[(1, 69387880), (2, 34693940), (4, 17346970), (5, 13877576), (8, 8673485), (10, 6938788), (17, 4081640), (20, 3469394), (34, 2040820), (40, 1734697), (67, 1035640), (68, 1020410), (85, 816328), (134, 517820), (136, 510205), (170, 408164), (268, 258910), (335, 207128), (340, 204082), (536, 129455), (670, 103564), (680, 102041), (1139, 60920), (1340, 51782), (1523, 45560), (2278, 30460), (2680, 25891), (3046, 22780), (4556, 15230), (5695, 12184), (6092, 11390), (7615, 9112)]