64726780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 139618080

約数和(自身を除く): 74891300

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 227, 265, 269, 454, 530, 538, 908, 1060, 1076, 1135, 1345, 2270, 2690, 4540, 5380, 12031, 14257, 24062, 28514, 48124, 57028, 60155, 61063, 71285, 120310, 122126, 142570, 240620, 244252, 285140, 305315, 610630, 1221260, 3236339, 6472678, 12945356, 16181695, 32363390, 64726780]

約数ペア:

[(1, 64726780), (2, 32363390), (4, 16181695), (5, 12945356), (10, 6472678), (20, 3236339), (53, 1221260), (106, 610630), (212, 305315), (227, 285140), (265, 244252), (269, 240620), (454, 142570), (530, 122126), (538, 120310), (908, 71285), (1060, 61063), (1076, 60155), (1135, 57028), (1345, 48124), (2270, 28514), (2690, 24062), (4540, 14257), (5380, 12031)]