81836568

素因数分解:

$2^3\times 3^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 259459200

約数和(自身を除く): 177622632

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 43, 44, 54, 66, 72, 81, 86, 88, 89, 99, 108, 129, 132, 162, 172, 178, 198, 216, 243, 258, 264, 267, 297, 324, 344, 356, 387, 396, 473, 486, 516, 534, 594, 648, 712, 774, 792, 801, 891, 946, 972, 979, 1032, 1068, 1161, 1188, 1419, 1548, 1602, 1782, 1892, 1944, 1958, 2136, 2322, 2376, 2403, 2673, 2838, 2937, 3096, 3204, 3483, 3564, 3784, 3827, 3916, 4257, 4644, 4806, 5346, 5676, 5874, 6408, 6966, 7128, 7209, 7654, 7832, 8514, 8811, 9288, 9612, 10449, 10692, 11352, 11481, 11748, 12771, 13932, 14418, 15308, 17028, 17622, 19224, 20898, 21384, 21627, 22962, 23496, 25542, 26433, 27864, 28836, 30616, 34056, 34443, 35244, 38313, 41796, 42097, 43254, 45924, 51084, 52866, 57672, 68886, 70488, 76626, 79299, 83592, 84194, 86508, 91848, 102168, 103329, 105732, 114939, 126291, 137772, 153252, 158598, 168388, 173016, 206658, 211464, 229878, 237897, 252582, 275544, 306504, 309987, 317196, 336776, 378873, 413316, 459756, 475794, 505164, 619974, 634392, 757746, 826632, 919512, 929961, 951588, 1010328, 1136619, 1239948, 1515492, 1859922, 1903176, 2273238, 2479896, 3030984, 3409857, 3719844, 4546476, 6819714, 7439688, 9092952, 10229571, 13639428, 20459142, 27278856, 40918284, 81836568]

約数ペア:

[(1, 81836568), (2, 40918284), (3, 27278856), (4, 20459142), (6, 13639428), (8, 10229571), (9, 9092952), (11, 7439688), (12, 6819714), (18, 4546476), (22, 3719844), (24, 3409857), (27, 3030984), (33, 2479896), (36, 2273238), (43, 1903176), (44, 1859922), (54, 1515492), (66, 1239948), (72, 1136619), (81, 1010328), (86, 951588), (88, 929961), (89, 919512), (99, 826632), (108, 757746), (129, 634392), (132, 619974), (162, 505164), (172, 475794), (178, 459756), (198, 413316), (216, 378873), (243, 336776), (258, 317196), (264, 309987), (267, 306504), (297, 275544), (324, 252582), (344, 237897), (356, 229878), (387, 211464), (396, 206658), (473, 173016), (486, 168388), (516, 158598), (534, 153252), (594, 137772), (648, 126291), (712, 114939), (774, 105732), (792, 103329), (801, 102168), (891, 91848), (946, 86508), (972, 84194), (979, 83592), (1032, 79299), (1068, 76626), (1161, 70488), (1188, 68886), (1419, 57672), (1548, 52866), (1602, 51084), (1782, 45924), (1892, 43254), (1944, 42097), (1958, 41796), (2136, 38313), (2322, 35244), (2376, 34443), (2403, 34056), (2673, 30616), (2838, 28836), (2937, 27864), (3096, 26433), (3204, 25542), (3483, 23496), (3564, 22962), (3784, 21627), (3827, 21384), (3916, 20898), (4257, 19224), (4644, 17622), (4806, 17028), (5346, 15308), (5676, 14418), (5874, 13932), (6408, 12771), (6966, 11748), (7128, 11481), (7209, 11352), (7654, 10692), (7832, 10449), (8514, 9612), (8811, 9288)]