81604692

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 243492480

約数和(自身を除く): 161887788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 102, 108, 117, 153, 156, 169, 204, 221, 234, 263, 306, 338, 351, 442, 459, 468, 507, 526, 612, 663, 676, 702, 789, 884, 918, 1014, 1052, 1326, 1404, 1521, 1578, 1836, 1989, 2028, 2367, 2652, 2873, 3042, 3156, 3419, 3978, 4471, 4563, 4734, 5746, 5967, 6084, 6838, 7101, 7956, 8619, 8942, 9126, 9468, 10257, 11492, 11934, 13413, 13676, 14202, 17238, 17884, 18252, 20514, 23868, 25857, 26826, 28404, 30771, 34476, 40239, 41028, 44447, 51714, 53652, 58123, 61542, 77571, 80478, 88894, 92313, 103428, 116246, 120717, 123084, 133341, 155142, 160956, 174369, 177788, 184626, 232492, 241434, 266682, 310284, 348738, 369252, 400023, 482868, 523107, 533364, 697476, 755599, 800046, 1046214, 1200069, 1511198, 1569321, 1600092, 2092428, 2266797, 2400138, 3022396, 3138642, 4533594, 4800276, 6277284, 6800391, 9067188, 13600782, 20401173, 27201564, 40802346, 81604692]

約数ペア:

[(1, 81604692), (2, 40802346), (3, 27201564), (4, 20401173), (6, 13600782), (9, 9067188), (12, 6800391), (13, 6277284), (17, 4800276), (18, 4533594), (26, 3138642), (27, 3022396), (34, 2400138), (36, 2266797), (39, 2092428), (51, 1600092), (52, 1569321), (54, 1511198), (68, 1200069), (78, 1046214), (102, 800046), (108, 755599), (117, 697476), (153, 533364), (156, 523107), (169, 482868), (204, 400023), (221, 369252), (234, 348738), (263, 310284), (306, 266682), (338, 241434), (351, 232492), (442, 184626), (459, 177788), (468, 174369), (507, 160956), (526, 155142), (612, 133341), (663, 123084), (676, 120717), (702, 116246), (789, 103428), (884, 92313), (918, 88894), (1014, 80478), (1052, 77571), (1326, 61542), (1404, 58123), (1521, 53652), (1578, 51714), (1836, 44447), (1989, 41028), (2028, 40239), (2367, 34476), (2652, 30771), (2873, 28404), (3042, 26826), (3156, 25857), (3419, 23868), (3978, 20514), (4471, 18252), (4563, 17884), (4734, 17238), (5746, 14202), (5967, 13676), (6084, 13413), (6838, 11934), (7101, 11492), (7956, 10257), (8619, 9468), (8942, 9126)]