81540144

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2035

約数の個数: 120

約数和(自身を含む): 267295392

約数和(自身を除く): 185755248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 41, 42, 48, 56, 63, 72, 82, 84, 112, 123, 126, 144, 164, 168, 246, 252, 287, 328, 336, 369, 492, 504, 574, 656, 738, 861, 984, 1008, 1148, 1476, 1722, 1968, 1973, 2296, 2583, 2952, 3444, 3946, 4592, 5166, 5904, 5919, 6888, 7892, 10332, 11838, 13776, 13811, 15784, 17757, 20664, 23676, 27622, 31568, 35514, 41328, 41433, 47352, 55244, 71028, 80893, 82866, 94704, 110488, 124299, 142056, 161786, 165732, 220976, 242679, 248598, 284112, 323572, 331464, 485358, 497196, 566251, 647144, 662928, 728037, 970716, 994392, 1132502, 1294288, 1456074, 1698753, 1941432, 1988784, 2265004, 2912148, 3397506, 3882864, 4530008, 5096259, 5824296, 6795012, 9060016, 10192518, 11648592, 13590024, 20385036, 27180048, 40770072, 81540144]

約数ペア:

[(1, 81540144), (2, 40770072), (3, 27180048), (4, 20385036), (6, 13590024), (7, 11648592), (8, 10192518), (9, 9060016), (12, 6795012), (14, 5824296), (16, 5096259), (18, 4530008), (21, 3882864), (24, 3397506), (28, 2912148), (36, 2265004), (41, 1988784), (42, 1941432), (48, 1698753), (56, 1456074), (63, 1294288), (72, 1132502), (82, 994392), (84, 970716), (112, 728037), (123, 662928), (126, 647144), (144, 566251), (164, 497196), (168, 485358), (246, 331464), (252, 323572), (287, 284112), (328, 248598), (336, 242679), (369, 220976), (492, 165732), (504, 161786), (574, 142056), (656, 124299), (738, 110488), (861, 94704), (984, 82866), (1008, 80893), (1148, 71028), (1476, 55244), (1722, 47352), (1968, 41433), (1973, 41328), (2296, 35514), (2583, 31568), (2952, 27622), (3444, 23676), (3946, 20664), (4592, 17757), (5166, 15784), (5904, 13811), (5919, 13776), (6888, 11838), (7892, 10332)]