18351180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 37668420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 379, 538, 758, 807, 1076, 1137, 1345, 1516, 1614, 1895, 2274, 2421, 2690, 3228, 3411, 3790, 4035, 4548, 4842, 5380, 5685, 6822, 7580, 8070, 9684, 11370, 12105, 13644, 16140, 17055, 22740, 24210, 34110, 48420, 68220, 101951, 203902, 305853, 407804, 509755, 611706, 917559, 1019510, 1223412, 1529265, 1835118, 2039020, 3058530, 3670236, 4587795, 6117060, 9175590, 18351180]

約数ペア:

[(1, 18351180), (2, 9175590), (3, 6117060), (4, 4587795), (5, 3670236), (6, 3058530), (9, 2039020), (10, 1835118), (12, 1529265), (15, 1223412), (18, 1019510), (20, 917559), (30, 611706), (36, 509755), (45, 407804), (60, 305853), (90, 203902), (180, 101951), (269, 68220), (379, 48420), (538, 34110), (758, 24210), (807, 22740), (1076, 17055), (1137, 16140), (1345, 13644), (1516, 12105), (1614, 11370), (1895, 9684), (2274, 8070), (2421, 7580), (2690, 6822), (3228, 5685), (3411, 5380), (3790, 4842), (4035, 4548)]