151421320

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{3851}}^1$

素因数の和:4845

約数の個数: 32

約数和(自身を含む): 341133120

約数和(自身を除く): 189711800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 3851, 3932, 4915, 7702, 7864, 9830, 15404, 19255, 19660, 30808, 38510, 39320, 77020, 154040, 3785533, 7571066, 15142132, 18927665, 30284264, 37855330, 75710660, 151421320]

約数ペア:

[(1, 151421320), (2, 75710660), (4, 37855330), (5, 30284264), (8, 18927665), (10, 15142132), (20, 7571066), (40, 3785533), (983, 154040), (1966, 77020), (3851, 39320), (3932, 38510), (4915, 30808), (7702, 19660), (7864, 19255), (9830, 15404)]