158481680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{40429}}^1$

素因数の和:40456

約数の個数: 60

約数和(自身を含む): 428638860

約数和(自身を除く): 270157180

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 40429, 80858, 161716, 202145, 283003, 323432, 404290, 566006, 646864, 808580, 1132012, 1415015, 1617160, 1981021, 2264024, 2830030, 3234320, 3962042, 4528048, 5660060, 7924084, 9905105, 11320120, 15848168, 19810210, 22640240, 31696336, 39620420, 79240840, 158481680]

約数ペア:

[(1, 158481680), (2, 79240840), (4, 39620420), (5, 31696336), (7, 22640240), (8, 19810210), (10, 15848168), (14, 11320120), (16, 9905105), (20, 7924084), (28, 5660060), (35, 4528048), (40, 3962042), (49, 3234320), (56, 2830030), (70, 2264024), (80, 1981021), (98, 1617160), (112, 1415015), (140, 1132012), (196, 808580), (245, 646864), (280, 566006), (392, 404290), (490, 323432), (560, 283003), (784, 202145), (980, 161716), (1960, 80858), (3920, 40429)]