8704980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 26673192

約数和(自身を除く): 17968212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 353, 411, 548, 685, 706, 822, 1059, 1233, 1370, 1412, 1644, 1765, 2055, 2118, 2466, 2740, 3177, 3530, 4110, 4236, 4932, 5295, 6165, 6354, 7060, 8220, 10590, 12330, 12708, 15885, 21180, 24660, 31770, 48361, 63540, 96722, 145083, 193444, 241805, 290166, 435249, 483610, 580332, 725415, 870498, 967220, 1450830, 1740996, 2176245, 2901660, 4352490, 8704980]

約数ペア:

[(1, 8704980), (2, 4352490), (3, 2901660), (4, 2176245), (5, 1740996), (6, 1450830), (9, 967220), (10, 870498), (12, 725415), (15, 580332), (18, 483610), (20, 435249), (30, 290166), (36, 241805), (45, 193444), (60, 145083), (90, 96722), (137, 63540), (180, 48361), (274, 31770), (353, 24660), (411, 21180), (548, 15885), (685, 12708), (706, 12330), (822, 10590), (1059, 8220), (1233, 7060), (1370, 6354), (1412, 6165), (1644, 5295), (1765, 4932), (2055, 4236), (2118, 4110), (2466, 3530), (2740, 3177)]