81432144

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^2\times {\mathrm{1069}}^1$

素因数の和:1129

約数の個数: 90

約数和(自身を含む): 238459130

約数和(自身を除く): 157026986

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 529, 552, 828, 1058, 1069, 1104, 1587, 1656, 2116, 2138, 3174, 3207, 3312, 4232, 4276, 4761, 6348, 6414, 8464, 8552, 9522, 9621, 12696, 12828, 17104, 19044, 19242, 24587, 25392, 25656, 38088, 38484, 49174, 51312, 73761, 76176, 76968, 98348, 147522, 153936, 196696, 221283, 295044, 393392, 442566, 565501, 590088, 885132, 1131002, 1180176, 1696503, 1770264, 2262004, 3393006, 3540528, 4524008, 5089509, 6786012, 9048016, 10179018, 13572024, 20358036, 27144048, 40716072, 81432144]

約数ペア:

[(1, 81432144), (2, 40716072), (3, 27144048), (4, 20358036), (6, 13572024), (8, 10179018), (9, 9048016), (12, 6786012), (16, 5089509), (18, 4524008), (23, 3540528), (24, 3393006), (36, 2262004), (46, 1770264), (48, 1696503), (69, 1180176), (72, 1131002), (92, 885132), (138, 590088), (144, 565501), (184, 442566), (207, 393392), (276, 295044), (368, 221283), (414, 196696), (529, 153936), (552, 147522), (828, 98348), (1058, 76968), (1069, 76176), (1104, 73761), (1587, 51312), (1656, 49174), (2116, 38484), (2138, 38088), (3174, 25656), (3207, 25392), (3312, 24587), (4232, 19242), (4276, 19044), (4761, 17104), (6348, 12828), (6414, 12696), (8464, 9621), (8552, 9522)]