1230880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{157}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 3404268

約数和(自身を除く): 2173388

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 157, 160, 196, 224, 245, 280, 314, 392, 490, 560, 628, 784, 785, 980, 1099, 1120, 1256, 1568, 1570, 1960, 2198, 2512, 3140, 3920, 4396, 5024, 5495, 6280, 7693, 7840, 8792, 10990, 12560, 15386, 17584, 21980, 25120, 30772, 35168, 38465, 43960, 61544, 76930, 87920, 123088, 153860, 175840, 246176, 307720, 615440, 1230880]

約数ペア:

[(1, 1230880), (2, 615440), (4, 307720), (5, 246176), (7, 175840), (8, 153860), (10, 123088), (14, 87920), (16, 76930), (20, 61544), (28, 43960), (32, 38465), (35, 35168), (40, 30772), (49, 25120), (56, 21980), (70, 17584), (80, 15386), (98, 12560), (112, 10990), (140, 8792), (157, 7840), (160, 7693), (196, 6280), (224, 5495), (245, 5024), (280, 4396), (314, 3920), (392, 3140), (490, 2512), (560, 2198), (628, 1960), (784, 1570), (785, 1568), (980, 1256), (1099, 1120)]