81286260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1559}}^1$

素因数の和:1661

約数の個数: 96

約数和(自身を含む): 251596800

約数和(自身を除く): 170310540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 79, 110, 132, 158, 165, 220, 237, 316, 330, 395, 474, 660, 790, 869, 948, 1185, 1559, 1580, 1738, 2370, 2607, 3118, 3476, 4345, 4677, 4740, 5214, 6236, 7795, 8690, 9354, 10428, 13035, 15590, 17149, 17380, 18708, 23385, 26070, 31180, 34298, 46770, 51447, 52140, 68596, 85745, 93540, 102894, 123161, 171490, 205788, 246322, 257235, 342980, 369483, 492644, 514470, 615805, 738966, 1028940, 1231610, 1354771, 1477932, 1847415, 2463220, 2709542, 3694830, 4064313, 5419084, 6773855, 7389660, 8128626, 13547710, 16257252, 20321565, 27095420, 40643130, 81286260]

約数ペア:

[(1, 81286260), (2, 40643130), (3, 27095420), (4, 20321565), (5, 16257252), (6, 13547710), (10, 8128626), (11, 7389660), (12, 6773855), (15, 5419084), (20, 4064313), (22, 3694830), (30, 2709542), (33, 2463220), (44, 1847415), (55, 1477932), (60, 1354771), (66, 1231610), (79, 1028940), (110, 738966), (132, 615805), (158, 514470), (165, 492644), (220, 369483), (237, 342980), (316, 257235), (330, 246322), (395, 205788), (474, 171490), (660, 123161), (790, 102894), (869, 93540), (948, 85745), (1185, 68596), (1559, 52140), (1580, 51447), (1738, 46770), (2370, 34298), (2607, 31180), (3118, 26070), (3476, 23385), (4345, 18708), (4677, 17380), (4740, 17149), (5214, 15590), (6236, 13035), (7795, 10428), (8690, 9354)]