818646660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349849}}^1$

素因数の和:349877

約数の個数: 72

約数和(自身を含む): 2674253400

約数和(自身を除く): 1855606740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 349849, 699698, 1049547, 1399396, 1749245, 2099094, 3148641, 3498490, 4198188, 4548037, 5247735, 6297282, 6996980, 9096074, 10495470, 12594564, 13644111, 15743205, 18192148, 20990940, 22740185, 27288222, 31486410, 40932333, 45480370, 54576444, 62972820, 68220555, 81864666, 90960740, 136441110, 163729332, 204661665, 272882220, 409323330, 818646660]

約数ペア:

[(1, 818646660), (2, 409323330), (3, 272882220), (4, 204661665), (5, 163729332), (6, 136441110), (9, 90960740), (10, 81864666), (12, 68220555), (13, 62972820), (15, 54576444), (18, 45480370), (20, 40932333), (26, 31486410), (30, 27288222), (36, 22740185), (39, 20990940), (45, 18192148), (52, 15743205), (60, 13644111), (65, 12594564), (78, 10495470), (90, 9096074), (117, 6996980), (130, 6297282), (156, 5247735), (180, 4548037), (195, 4198188), (234, 3498490), (260, 3148641), (390, 2099094), (468, 1749245), (585, 1399396), (780, 1049547), (1170, 699698), (2340, 349849)]