16621325460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{243643}}^1$

素因数の和:244037

約数の個数: 72

約数和(自身を含む): 50551257120

約数和(自身を除く): 33929931660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1516, 1895, 2274, 3411, 3790, 4548, 5685, 6822, 7580, 11370, 13644, 17055, 22740, 34110, 68220, 243643, 487286, 730929, 974572, 1218215, 1461858, 2192787, 2436430, 2923716, 3654645, 4385574, 4872860, 7309290, 8771148, 10963935, 14618580, 21927870, 43855740, 92340697, 184681394, 277022091, 369362788, 461703485, 554044182, 831066273, 923406970, 1108088364, 1385110455, 1662132546, 1846813940, 2770220910, 3324265092, 4155331365, 5540441820, 8310662730, 16621325460]

約数ペア:

[(1, 16621325460), (2, 8310662730), (3, 5540441820), (4, 4155331365), (5, 3324265092), (6, 2770220910), (9, 1846813940), (10, 1662132546), (12, 1385110455), (15, 1108088364), (18, 923406970), (20, 831066273), (30, 554044182), (36, 461703485), (45, 369362788), (60, 277022091), (90, 184681394), (180, 92340697), (379, 43855740), (758, 21927870), (1137, 14618580), (1516, 10963935), (1895, 8771148), (2274, 7309290), (3411, 4872860), (3790, 4385574), (4548, 3654645), (5685, 2923716), (6822, 2436430), (7580, 2192787), (11370, 1461858), (13644, 1218215), (17055, 974572), (22740, 730929), (34110, 487286), (68220, 243643)]