81717768

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 250329600

約数和(自身を除く): 168611832

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 163, 198, 211, 216, 264, 297, 326, 396, 422, 489, 594, 633, 652, 792, 844, 978, 1188, 1266, 1304, 1467, 1688, 1793, 1899, 1956, 2321, 2376, 2532, 2934, 3586, 3798, 3912, 4401, 4642, 5064, 5379, 5697, 5868, 6963, 7172, 7596, 8802, 9284, 10758, 11394, 11736, 13926, 14344, 15192, 16137, 17604, 18568, 20889, 21516, 22788, 27852, 32274, 34393, 35208, 41778, 43032, 45576, 48411, 55704, 62667, 64548, 68786, 83556, 96822, 103179, 125334, 129096, 137572, 167112, 193644, 206358, 250668, 275144, 309537, 378323, 387288, 412716, 501336, 619074, 756646, 825432, 928611, 1134969, 1238148, 1513292, 1857222, 2269938, 2476296, 3026584, 3404907, 3714444, 4539876, 6809814, 7428888, 9079752, 10214721, 13619628, 20429442, 27239256, 40858884, 81717768]

約数ペア:

[(1, 81717768), (2, 40858884), (3, 27239256), (4, 20429442), (6, 13619628), (8, 10214721), (9, 9079752), (11, 7428888), (12, 6809814), (18, 4539876), (22, 3714444), (24, 3404907), (27, 3026584), (33, 2476296), (36, 2269938), (44, 1857222), (54, 1513292), (66, 1238148), (72, 1134969), (88, 928611), (99, 825432), (108, 756646), (132, 619074), (163, 501336), (198, 412716), (211, 387288), (216, 378323), (264, 309537), (297, 275144), (326, 250668), (396, 206358), (422, 193644), (489, 167112), (594, 137572), (633, 129096), (652, 125334), (792, 103179), (844, 96822), (978, 83556), (1188, 68786), (1266, 64548), (1304, 62667), (1467, 55704), (1688, 48411), (1793, 45576), (1899, 43032), (1956, 41778), (2321, 35208), (2376, 34393), (2532, 32274), (2934, 27852), (3586, 22788), (3798, 21516), (3912, 20889), (4401, 18568), (4642, 17604), (5064, 16137), (5379, 15192), (5697, 14344), (5868, 13926), (6963, 11736), (7172, 11394), (7596, 10758), (8802, 9284)]