128515980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5237}}^1$

素因数の和:5658

約数の個数: 48

約数和(自身を含む): 360793440

約数和(自身を除く): 232277460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 2045, 2454, 4090, 4908, 5237, 6135, 8180, 10474, 12270, 15711, 20948, 24540, 26185, 31422, 52370, 62844, 78555, 104740, 157110, 314220, 2141933, 4283866, 6425799, 8567732, 10709665, 12851598, 21419330, 25703196, 32128995, 42838660, 64257990, 128515980]

約数ペア:

[(1, 128515980), (2, 64257990), (3, 42838660), (4, 32128995), (5, 25703196), (6, 21419330), (10, 12851598), (12, 10709665), (15, 8567732), (20, 6425799), (30, 4283866), (60, 2141933), (409, 314220), (818, 157110), (1227, 104740), (1636, 78555), (2045, 62844), (2454, 52370), (4090, 31422), (4908, 26185), (5237, 24540), (6135, 20948), (8180, 15711), (10474, 12270)]