81323664

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 227547936

約数和(自身を除く): 146224272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 41, 43, 48, 62, 82, 86, 93, 123, 124, 129, 164, 172, 186, 246, 248, 258, 328, 344, 372, 492, 496, 516, 656, 688, 744, 961, 984, 1032, 1271, 1333, 1488, 1763, 1922, 1968, 2064, 2542, 2666, 2883, 3526, 3813, 3844, 3999, 5084, 5289, 5332, 5766, 7052, 7626, 7688, 7998, 10168, 10578, 10664, 11532, 14104, 15252, 15376, 15996, 20336, 21156, 21328, 23064, 28208, 30504, 31992, 39401, 41323, 42312, 46128, 54653, 61008, 63984, 78802, 82646, 84624, 109306, 118203, 123969, 157604, 163959, 165292, 218612, 236406, 247938, 315208, 327918, 330584, 437224, 472812, 495876, 630416, 655836, 661168, 874448, 945624, 991752, 1311672, 1694243, 1891248, 1983504, 2623344, 3388486, 5082729, 6776972, 10165458, 13553944, 20330916, 27107888, 40661832, 81323664]

約数ペア:

[(1, 81323664), (2, 40661832), (3, 27107888), (4, 20330916), (6, 13553944), (8, 10165458), (12, 6776972), (16, 5082729), (24, 3388486), (31, 2623344), (41, 1983504), (43, 1891248), (48, 1694243), (62, 1311672), (82, 991752), (86, 945624), (93, 874448), (123, 661168), (124, 655836), (129, 630416), (164, 495876), (172, 472812), (186, 437224), (246, 330584), (248, 327918), (258, 315208), (328, 247938), (344, 236406), (372, 218612), (492, 165292), (496, 163959), (516, 157604), (656, 123969), (688, 118203), (744, 109306), (961, 84624), (984, 82646), (1032, 78802), (1271, 63984), (1333, 61008), (1488, 54653), (1763, 46128), (1922, 42312), (1968, 41323), (2064, 39401), (2542, 31992), (2666, 30504), (2883, 28208), (3526, 23064), (3813, 21328), (3844, 21156), (3999, 20336), (5084, 15996), (5289, 15376), (5332, 15252), (5766, 14104), (7052, 11532), (7626, 10664), (7688, 10578), (7998, 10168)]