81127992

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 238878720

約数和(自身を除く): 157750728

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 31, 33, 44, 46, 62, 66, 69, 88, 92, 93, 124, 132, 138, 184, 186, 248, 253, 264, 276, 341, 372, 431, 506, 552, 682, 713, 744, 759, 862, 1012, 1023, 1293, 1364, 1426, 1518, 1724, 2024, 2046, 2139, 2586, 2728, 2852, 3036, 3448, 4092, 4278, 4741, 5172, 5704, 6072, 7843, 8184, 8556, 9482, 9913, 10344, 13361, 14223, 15686, 17112, 18964, 19826, 23529, 26722, 28446, 29739, 31372, 37928, 39652, 40083, 47058, 53444, 56892, 59478, 62744, 79304, 80166, 94116, 106888, 109043, 113784, 118956, 146971, 160332, 188232, 218086, 237912, 293942, 307303, 320664, 327129, 436172, 440913, 587884, 614606, 654258, 872344, 881826, 921909, 1175768, 1229212, 1308516, 1763652, 1843818, 2458424, 2617032, 3380333, 3527304, 3687636, 6760666, 7375272, 10140999, 13521332, 20281998, 27042664, 40563996, 81127992]

約数ペア:

[(1, 81127992), (2, 40563996), (3, 27042664), (4, 20281998), (6, 13521332), (8, 10140999), (11, 7375272), (12, 6760666), (22, 3687636), (23, 3527304), (24, 3380333), (31, 2617032), (33, 2458424), (44, 1843818), (46, 1763652), (62, 1308516), (66, 1229212), (69, 1175768), (88, 921909), (92, 881826), (93, 872344), (124, 654258), (132, 614606), (138, 587884), (184, 440913), (186, 436172), (248, 327129), (253, 320664), (264, 307303), (276, 293942), (341, 237912), (372, 218086), (431, 188232), (506, 160332), (552, 146971), (682, 118956), (713, 113784), (744, 109043), (759, 106888), (862, 94116), (1012, 80166), (1023, 79304), (1293, 62744), (1364, 59478), (1426, 56892), (1518, 53444), (1724, 47058), (2024, 40083), (2046, 39652), (2139, 37928), (2586, 31372), (2728, 29739), (2852, 28446), (3036, 26722), (3448, 23529), (4092, 19826), (4278, 18964), (4741, 17112), (5172, 15686), (5704, 14223), (6072, 13361), (7843, 10344), (8184, 9913), (8556, 9482)]