81747395280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{223061}}^1$

素因数の和:223589

約数の個数: 120

約数和(自身を含む): 275075597160

約数和(自身を除く): 193328201880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 509, 720, 1018, 1527, 2036, 2545, 3054, 4072, 4581, 5090, 6108, 7635, 8144, 9162, 10180, 12216, 15270, 18324, 20360, 22905, 24432, 30540, 36648, 40720, 45810, 61080, 73296, 91620, 122160, 183240, 223061, 366480, 446122, 669183, 892244, 1115305, 1338366, 1784488, 2007549, 2230610, 2676732, 3345915, 3568976, 4015098, 4461220, 5353464, 6691830, 8030196, 8922440, 10037745, 10706928, 13383660, 16060392, 17844880, 20075490, 26767320, 32120784, 40150980, 53534640, 80301960, 113538049, 160603920, 227076098, 340614147, 454152196, 567690245, 681228294, 908304392, 1021842441, 1135380490, 1362456588, 1703070735, 1816608784, 2043684882, 2270760980, 2724913176, 3406141470, 4087369764, 4541521960, 5109212205, 5449826352, 6812282940, 8174739528, 9083043920, 10218424410, 13624565880, 16349479056, 20436848820, 27249131760, 40873697640, 81747395280]

約数ペア:

[(1, 81747395280), (2, 40873697640), (3, 27249131760), (4, 20436848820), (5, 16349479056), (6, 13624565880), (8, 10218424410), (9, 9083043920), (10, 8174739528), (12, 6812282940), (15, 5449826352), (16, 5109212205), (18, 4541521960), (20, 4087369764), (24, 3406141470), (30, 2724913176), (36, 2270760980), (40, 2043684882), (45, 1816608784), (48, 1703070735), (60, 1362456588), (72, 1135380490), (80, 1021842441), (90, 908304392), (120, 681228294), (144, 567690245), (180, 454152196), (240, 340614147), (360, 227076098), (509, 160603920), (720, 113538049), (1018, 80301960), (1527, 53534640), (2036, 40150980), (2545, 32120784), (3054, 26767320), (4072, 20075490), (4581, 17844880), (5090, 16060392), (6108, 13383660), (7635, 10706928), (8144, 10037745), (9162, 8922440), (10180, 8030196), (12216, 6691830), (15270, 5353464), (18324, 4461220), (20360, 4015098), (22905, 3568976), (24432, 3345915), (30540, 2676732), (36648, 2230610), (40720, 2007549), (45810, 1784488), (61080, 1338366), (73296, 1115305), (91620, 892244), (122160, 669183), (183240, 446122), (223061, 366480)]