1648640

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 96

約数和(自身を含む): 4717440

約数和(自身を除く): 3068800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 512, 560, 640, 644, 736, 805, 896, 920, 1024, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 2048, 2240, 2560, 2576, 2944, 3220, 3584, 3680, 4480, 5120, 5152, 5888, 6440, 7168, 7360, 8960, 10240, 10304, 11776, 12880, 14336, 14720, 17920, 20608, 23552, 25760, 29440, 35840, 41216, 47104, 51520, 58880, 71680, 82432, 103040, 117760, 164864, 206080, 235520, 329728, 412160, 824320, 1648640]

約数ペア:

[(1, 1648640), (2, 824320), (4, 412160), (5, 329728), (7, 235520), (8, 206080), (10, 164864), (14, 117760), (16, 103040), (20, 82432), (23, 71680), (28, 58880), (32, 51520), (35, 47104), (40, 41216), (46, 35840), (56, 29440), (64, 25760), (70, 23552), (80, 20608), (92, 17920), (112, 14720), (115, 14336), (128, 12880), (140, 11776), (160, 10304), (161, 10240), (184, 8960), (224, 7360), (230, 7168), (256, 6440), (280, 5888), (320, 5152), (322, 5120), (368, 4480), (448, 3680), (460, 3584), (512, 3220), (560, 2944), (640, 2576), (644, 2560), (736, 2240), (805, 2048), (896, 1840), (920, 1792), (1024, 1610), (1120, 1472), (1280, 1288)]