31101280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3967}}^1$

素因数の和:3996

約数の個数: 72

約数和(自身を含む): 85494528

約数和(自身を除く): 54393248

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, 3967, 7840, 7934, 15868, 19835, 27769, 31736, 39670, 55538, 63472, 79340, 111076, 126944, 138845, 158680, 194383, 222152, 277690, 317360, 388766, 444304, 555380, 634720, 777532, 888608, 971915, 1110760, 1555064, 1943830, 2221520, 3110128, 3887660, 4443040, 6220256, 7775320, 15550640, 31101280]

約数ペア:

[(1, 31101280), (2, 15550640), (4, 7775320), (5, 6220256), (7, 4443040), (8, 3887660), (10, 3110128), (14, 2221520), (16, 1943830), (20, 1555064), (28, 1110760), (32, 971915), (35, 888608), (40, 777532), (49, 634720), (56, 555380), (70, 444304), (80, 388766), (98, 317360), (112, 277690), (140, 222152), (160, 194383), (196, 158680), (224, 138845), (245, 126944), (280, 111076), (392, 79340), (490, 63472), (560, 55538), (784, 39670), (980, 31736), (1120, 27769), (1568, 19835), (1960, 15868), (3920, 7934), (3967, 7840)]