81864144

素因数分解:

$2^4\times 3^2\times {\mathrm{523}}^1\times {\mathrm{1087}}^1$

素因数の和:1624

約数の個数: 60

約数和(自身を含む): 229755136

約数和(自身を除く): 147890992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 523, 1046, 1087, 1569, 2092, 2174, 3138, 3261, 4184, 4348, 4707, 6276, 6522, 8368, 8696, 9414, 9783, 12552, 13044, 17392, 18828, 19566, 25104, 26088, 37656, 39132, 52176, 75312, 78264, 156528, 568501, 1137002, 1705503, 2274004, 3411006, 4548008, 5116509, 6822012, 9096016, 10233018, 13644024, 20466036, 27288048, 40932072, 81864144]

約数ペア:

[(1, 81864144), (2, 40932072), (3, 27288048), (4, 20466036), (6, 13644024), (8, 10233018), (9, 9096016), (12, 6822012), (16, 5116509), (18, 4548008), (24, 3411006), (36, 2274004), (48, 1705503), (72, 1137002), (144, 568501), (523, 156528), (1046, 78264), (1087, 75312), (1569, 52176), (2092, 39132), (2174, 37656), (3138, 26088), (3261, 25104), (4184, 19566), (4348, 18828), (4707, 17392), (6276, 13044), (6522, 12552), (8368, 9783), (8696, 9414)]