77843360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{9929}}^1$

素因数の和:9958

約数の個数: 72

約数和(自身を含む): 213951780

約数和(自身を除く): 136108420

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, 9929, 19858, 39716, 49645, 69503, 79432, 99290, 139006, 158864, 198580, 278012, 317728, 347515, 397160, 486521, 556024, 695030, 794320, 973042, 1112048, 1390060, 1588640, 1946084, 2224096, 2432605, 2780120, 3892168, 4865210, 5560240, 7784336, 9730420, 11120480, 15568672, 19460840, 38921680, 77843360]

約数ペア:

[(1, 77843360), (2, 38921680), (4, 19460840), (5, 15568672), (7, 11120480), (8, 9730420), (10, 7784336), (14, 5560240), (16, 4865210), (20, 3892168), (28, 2780120), (32, 2432605), (35, 2224096), (40, 1946084), (49, 1588640), (56, 1390060), (70, 1112048), (80, 973042), (98, 794320), (112, 695030), (140, 556024), (160, 486521), (196, 397160), (224, 347515), (245, 317728), (280, 278012), (392, 198580), (490, 158864), (560, 139006), (784, 99290), (980, 79432), (1120, 69503), (1568, 49645), (1960, 39716), (3920, 19858), (7840, 9929)]