181321456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 389975040

約数和(自身を除く): 208653584

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 127, 136, 181, 232, 254, 272, 362, 464, 493, 508, 724, 986, 1016, 1448, 1972, 2032, 2159, 2896, 3077, 3683, 3944, 4318, 5249, 6154, 7366, 7888, 8636, 10498, 12308, 14732, 17272, 20996, 22987, 24616, 29464, 34544, 41992, 45974, 49232, 58928, 62611, 83984, 89233, 91948, 125222, 178466, 183896, 250444, 356932, 367792, 390779, 500888, 666623, 713864, 781558, 1001776, 1333246, 1427728, 1563116, 2666492, 3126232, 5332984, 6252464, 10665968, 11332591, 22665182, 45330364, 90660728, 181321456]

約数ペア:

[(1, 181321456), (2, 90660728), (4, 45330364), (8, 22665182), (16, 11332591), (17, 10665968), (29, 6252464), (34, 5332984), (58, 3126232), (68, 2666492), (116, 1563116), (127, 1427728), (136, 1333246), (181, 1001776), (232, 781558), (254, 713864), (272, 666623), (362, 500888), (464, 390779), (493, 367792), (508, 356932), (724, 250444), (986, 183896), (1016, 178466), (1448, 125222), (1972, 91948), (2032, 89233), (2159, 83984), (2896, 62611), (3077, 58928), (3683, 49232), (3944, 45974), (4318, 41992), (5249, 34544), (6154, 29464), (7366, 24616), (7888, 22987), (8636, 20996), (10498, 17272), (12308, 14732)]