81663660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11633}}^1$

素因数の和:11664

約数の個数: 96

約数和(自身を含む): 273631680

約数和(自身を除く): 191968020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 11633, 23266, 34899, 46532, 58165, 69798, 104697, 116330, 139596, 151229, 174495, 209394, 232660, 302458, 314091, 348990, 418788, 453687, 523485, 604916, 628182, 697980, 756145, 907374, 1046970, 1256364, 1361061, 1512290, 1570455, 1814748, 2093940, 2268435, 2722122, 3024580, 3140910, 4083183, 4536870, 5444244, 6281820, 6805305, 8166366, 9073740, 13610610, 16332732, 20415915, 27221220, 40831830, 81663660]

約数ペア:

[(1, 81663660), (2, 40831830), (3, 27221220), (4, 20415915), (5, 16332732), (6, 13610610), (9, 9073740), (10, 8166366), (12, 6805305), (13, 6281820), (15, 5444244), (18, 4536870), (20, 4083183), (26, 3140910), (27, 3024580), (30, 2722122), (36, 2268435), (39, 2093940), (45, 1814748), (52, 1570455), (54, 1512290), (60, 1361061), (65, 1256364), (78, 1046970), (90, 907374), (108, 756145), (117, 697980), (130, 628182), (135, 604916), (156, 523485), (180, 453687), (195, 418788), (234, 348990), (260, 314091), (270, 302458), (351, 232660), (390, 209394), (468, 174495), (540, 151229), (585, 139596), (702, 116330), (780, 104697), (1170, 69798), (1404, 58165), (1755, 46532), (2340, 34899), (3510, 23266), (7020, 11633)]