128862990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2213}}^1$

素因数の和:2873

約数の個数: 48

約数和(自身を含む): 335713248

約数和(自身を除く): 206850258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 647, 1294, 1941, 2213, 3235, 3882, 4426, 5823, 6470, 6639, 9705, 11065, 11646, 13278, 19410, 19917, 22130, 29115, 33195, 39834, 58230, 66390, 99585, 199170, 1431811, 2863622, 4295433, 7159055, 8590866, 12886299, 14318110, 21477165, 25772598, 42954330, 64431495, 128862990]

約数ペア:

[(1, 128862990), (2, 64431495), (3, 42954330), (5, 25772598), (6, 21477165), (9, 14318110), (10, 12886299), (15, 8590866), (18, 7159055), (30, 4295433), (45, 2863622), (90, 1431811), (647, 199170), (1294, 99585), (1941, 66390), (2213, 58230), (3235, 39834), (3882, 33195), (4426, 29115), (5823, 22130), (6470, 19917), (6639, 19410), (9705, 13278), (11065, 11646)]