28686560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3659}}^1$

素因数の和:3688

約数の個数: 72

約数和(自身を含む): 78858360

約数和(自身を除く): 50171800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3659, 3920, 7318, 7840, 14636, 18295, 25613, 29272, 36590, 51226, 58544, 73180, 102452, 117088, 128065, 146360, 179291, 204904, 256130, 292720, 358582, 409808, 512260, 585440, 717164, 819616, 896455, 1024520, 1434328, 1792910, 2049040, 2868656, 3585820, 4098080, 5737312, 7171640, 14343280, 28686560]

約数ペア:

[(1, 28686560), (2, 14343280), (4, 7171640), (5, 5737312), (7, 4098080), (8, 3585820), (10, 2868656), (14, 2049040), (16, 1792910), (20, 1434328), (28, 1024520), (32, 896455), (35, 819616), (40, 717164), (49, 585440), (56, 512260), (70, 409808), (80, 358582), (98, 292720), (112, 256130), (140, 204904), (160, 179291), (196, 146360), (224, 128065), (245, 117088), (280, 102452), (392, 73180), (490, 58544), (560, 51226), (784, 36590), (980, 29272), (1120, 25613), (1568, 18295), (1960, 14636), (3659, 7840), (3920, 7318)]