155686720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{9929}}^1$

素因数の和:9960

約数の個数: 84

約数和(自身を含む): 431299620

約数和(自身を除く): 275612900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 9929, 15680, 19858, 39716, 49645, 69503, 79432, 99290, 139006, 158864, 198580, 278012, 317728, 347515, 397160, 486521, 556024, 635456, 695030, 794320, 973042, 1112048, 1390060, 1588640, 1946084, 2224096, 2432605, 2780120, 3177280, 3892168, 4448192, 4865210, 5560240, 7784336, 9730420, 11120480, 15568672, 19460840, 22240960, 31137344, 38921680, 77843360, 155686720]

約数ペア:

[(1, 155686720), (2, 77843360), (4, 38921680), (5, 31137344), (7, 22240960), (8, 19460840), (10, 15568672), (14, 11120480), (16, 9730420), (20, 7784336), (28, 5560240), (32, 4865210), (35, 4448192), (40, 3892168), (49, 3177280), (56, 2780120), (64, 2432605), (70, 2224096), (80, 1946084), (98, 1588640), (112, 1390060), (140, 1112048), (160, 973042), (196, 794320), (224, 695030), (245, 635456), (280, 556024), (320, 486521), (392, 397160), (448, 347515), (490, 317728), (560, 278012), (784, 198580), (980, 158864), (1120, 139006), (1568, 99290), (1960, 79432), (2240, 69503), (3136, 49645), (3920, 39716), (7840, 19858), (9929, 15680)]