1230621280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{156967}}^1$

素因数の和:156996

約数の個数: 72

約数和(自身を含む): 3382032528

約数和(自身を除く): 2151411248

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, 3920, 7840, 156967, 313934, 627868, 784835, 1098769, 1255736, 1569670, 2197538, 2511472, 3139340, 4395076, 5022944, 5493845, 6278680, 7691383, 8790152, 10987690, 12557360, 15382766, 17580304, 21975380, 25114720, 30765532, 35160608, 38456915, 43950760, 61531064, 76913830, 87901520, 123062128, 153827660, 175803040, 246124256, 307655320, 615310640, 1230621280]

約数ペア:

[(1, 1230621280), (2, 615310640), (4, 307655320), (5, 246124256), (7, 175803040), (8, 153827660), (10, 123062128), (14, 87901520), (16, 76913830), (20, 61531064), (28, 43950760), (32, 38456915), (35, 35160608), (40, 30765532), (49, 25114720), (56, 21975380), (70, 17580304), (80, 15382766), (98, 12557360), (112, 10987690), (140, 8790152), (160, 7691383), (196, 6278680), (224, 5493845), (245, 5022944), (280, 4395076), (392, 3139340), (490, 2511472), (560, 2197538), (784, 1569670), (980, 1255736), (1120, 1098769), (1568, 784835), (1960, 627868), (3920, 313934), (7840, 156967)]