81407256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 243302400

約数和(自身を除く): 161895144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 59, 84, 86, 118, 129, 168, 172, 177, 191, 236, 258, 301, 344, 354, 382, 413, 472, 516, 573, 602, 708, 764, 826, 903, 1032, 1146, 1204, 1239, 1337, 1416, 1528, 1652, 1806, 2292, 2408, 2478, 2537, 2674, 3304, 3612, 4011, 4584, 4956, 5074, 5348, 7224, 7611, 8022, 8213, 9912, 10148, 10696, 11269, 15222, 16044, 16426, 17759, 20296, 22538, 24639, 30444, 32088, 32852, 33807, 35518, 45076, 49278, 53277, 57491, 60888, 65704, 67614, 71036, 78883, 90152, 98556, 106554, 114982, 135228, 142072, 157766, 172473, 197112, 213108, 229964, 236649, 270456, 315532, 344946, 426216, 459928, 473298, 484567, 631064, 689892, 946596, 969134, 1379784, 1453701, 1893192, 1938268, 2907402, 3391969, 3876536, 5814804, 6783938, 10175907, 11629608, 13567876, 20351814, 27135752, 40703628, 81407256]

約数ペア:

[(1, 81407256), (2, 40703628), (3, 27135752), (4, 20351814), (6, 13567876), (7, 11629608), (8, 10175907), (12, 6783938), (14, 5814804), (21, 3876536), (24, 3391969), (28, 2907402), (42, 1938268), (43, 1893192), (56, 1453701), (59, 1379784), (84, 969134), (86, 946596), (118, 689892), (129, 631064), (168, 484567), (172, 473298), (177, 459928), (191, 426216), (236, 344946), (258, 315532), (301, 270456), (344, 236649), (354, 229964), (382, 213108), (413, 197112), (472, 172473), (516, 157766), (573, 142072), (602, 135228), (708, 114982), (764, 106554), (826, 98556), (903, 90152), (1032, 78883), (1146, 71036), (1204, 67614), (1239, 65704), (1337, 60888), (1416, 57491), (1528, 53277), (1652, 49278), (1806, 45076), (2292, 35518), (2408, 33807), (2478, 32852), (2537, 32088), (2674, 30444), (3304, 24639), (3612, 22538), (4011, 20296), (4584, 17759), (4956, 16426), (5074, 16044), (5348, 15222), (7224, 11269), (7611, 10696), (8022, 10148), (8213, 9912)]