428940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2383}}^1$

素因数の和:2398

約数の個数: 36

約数和(自身を含む): 1301664

約数和(自身を除く): 872724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2383, 4766, 7149, 9532, 11915, 14298, 21447, 23830, 28596, 35745, 42894, 47660, 71490, 85788, 107235, 142980, 214470, 428940]

約数ペア:

[(1, 428940), (2, 214470), (3, 142980), (4, 107235), (5, 85788), (6, 71490), (9, 47660), (10, 42894), (12, 35745), (15, 28596), (18, 23830), (20, 21447), (30, 14298), (36, 11915), (45, 9532), (60, 7149), (90, 4766), (180, 2383)]