81481764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 252887040

約数和(自身を除く): 171405276

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 31, 39, 42, 52, 58, 62, 78, 83, 84, 87, 91, 93, 116, 124, 156, 166, 174, 182, 186, 203, 217, 249, 273, 332, 348, 364, 372, 377, 403, 406, 434, 498, 546, 581, 609, 651, 754, 806, 812, 868, 899, 996, 1079, 1092, 1131, 1162, 1209, 1218, 1302, 1508, 1612, 1743, 1798, 2158, 2262, 2324, 2407, 2418, 2436, 2573, 2604, 2639, 2697, 2821, 3237, 3486, 3596, 4316, 4524, 4814, 4836, 5146, 5278, 5394, 5642, 6293, 6474, 6972, 7221, 7553, 7719, 7917, 8463, 9628, 10292, 10556, 10788, 11284, 11687, 12586, 12948, 14442, 15106, 15438, 15834, 16849, 16926, 18011, 18879, 22659, 23374, 25172, 28884, 30212, 30876, 31291, 31668, 33449, 33698, 33852, 35061, 36022, 37758, 45318, 46748, 50547, 54033, 62582, 66898, 67396, 70122, 72044, 74617, 75516, 81809, 90636, 93873, 100347, 101094, 108066, 125164, 133796, 140244, 149234, 163618, 187746, 200694, 202188, 216132, 219037, 223851, 234143, 245427, 298468, 327236, 375492, 401388, 438074, 447702, 468286, 490854, 522319, 657111, 702429, 876148, 895404, 936572, 970021, 981708, 1044638, 1314222, 1404858, 1566957, 1940042, 2089276, 2628444, 2809716, 2910063, 3133914, 3880084, 5820126, 6267828, 6790147, 11640252, 13580294, 20370441, 27160588, 40740882, 81481764]

約数ペア:

[(1, 81481764), (2, 40740882), (3, 27160588), (4, 20370441), (6, 13580294), (7, 11640252), (12, 6790147), (13, 6267828), (14, 5820126), (21, 3880084), (26, 3133914), (28, 2910063), (29, 2809716), (31, 2628444), (39, 2089276), (42, 1940042), (52, 1566957), (58, 1404858), (62, 1314222), (78, 1044638), (83, 981708), (84, 970021), (87, 936572), (91, 895404), (93, 876148), (116, 702429), (124, 657111), (156, 522319), (166, 490854), (174, 468286), (182, 447702), (186, 438074), (203, 401388), (217, 375492), (249, 327236), (273, 298468), (332, 245427), (348, 234143), (364, 223851), (372, 219037), (377, 216132), (403, 202188), (406, 200694), (434, 187746), (498, 163618), (546, 149234), (581, 140244), (609, 133796), (651, 125164), (754, 108066), (806, 101094), (812, 100347), (868, 93873), (899, 90636), (996, 81809), (1079, 75516), (1092, 74617), (1131, 72044), (1162, 70122), (1209, 67396), (1218, 66898), (1302, 62582), (1508, 54033), (1612, 50547), (1743, 46748), (1798, 45318), (2158, 37758), (2262, 36022), (2324, 35061), (2407, 33852), (2418, 33698), (2436, 33449), (2573, 31668), (2604, 31291), (2639, 30876), (2697, 30212), (2821, 28884), (3237, 25172), (3486, 23374), (3596, 22659), (4316, 18879), (4524, 18011), (4814, 16926), (4836, 16849), (5146, 15834), (5278, 15438), (5394, 15106), (5642, 14442), (6293, 12948), (6474, 12586), (6972, 11687), (7221, 11284), (7553, 10788), (7719, 10556), (7917, 10292), (8463, 9628)]