2885120

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{23}}^1$

素因数の和:60

約数の個数: 120

約数和(自身を含む): 8396784

約数和(自身を除く): 5511664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 224, 230, 245, 256, 280, 320, 322, 368, 392, 448, 460, 490, 512, 560, 640, 644, 736, 784, 805, 896, 920, 980, 1120, 1127, 1280, 1288, 1472, 1568, 1610, 1792, 1840, 1960, 2240, 2254, 2560, 2576, 2944, 3136, 3220, 3584, 3680, 3920, 4480, 4508, 5152, 5635, 5888, 6272, 6440, 7360, 7840, 8960, 9016, 10304, 11270, 11776, 12544, 12880, 14720, 15680, 17920, 18032, 20608, 22540, 25088, 25760, 29440, 31360, 36064, 41216, 45080, 51520, 58880, 62720, 72128, 82432, 90160, 103040, 125440, 144256, 180320, 206080, 288512, 360640, 412160, 577024, 721280, 1442560, 2885120]

約数ペア:

[(1, 2885120), (2, 1442560), (4, 721280), (5, 577024), (7, 412160), (8, 360640), (10, 288512), (14, 206080), (16, 180320), (20, 144256), (23, 125440), (28, 103040), (32, 90160), (35, 82432), (40, 72128), (46, 62720), (49, 58880), (56, 51520), (64, 45080), (70, 41216), (80, 36064), (92, 31360), (98, 29440), (112, 25760), (115, 25088), (128, 22540), (140, 20608), (160, 18032), (161, 17920), (184, 15680), (196, 14720), (224, 12880), (230, 12544), (245, 11776), (256, 11270), (280, 10304), (320, 9016), (322, 8960), (368, 7840), (392, 7360), (448, 6440), (460, 6272), (490, 5888), (512, 5635), (560, 5152), (640, 4508), (644, 4480), (736, 3920), (784, 3680), (805, 3584), (896, 3220), (920, 3136), (980, 2944), (1120, 2576), (1127, 2560), (1280, 2254), (1288, 2240), (1472, 1960), (1568, 1840), (1610, 1792)]