80390178

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 137337822

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 19, 22, 27, 33, 34, 38, 51, 54, 57, 66, 99, 102, 114, 153, 171, 187, 198, 209, 297, 306, 323, 342, 374, 418, 419, 459, 513, 561, 594, 627, 646, 838, 918, 969, 1026, 1122, 1254, 1257, 1683, 1881, 1938, 2514, 2907, 3366, 3553, 3762, 3771, 4609, 5049, 5643, 5814, 7106, 7123, 7542, 7961, 8721, 9218, 10098, 10659, 11286, 11313, 13827, 14246, 15922, 17442, 21318, 21369, 22626, 23883, 27654, 31977, 41481, 42738, 47766, 63954, 64107, 71649, 78353, 82962, 87571, 95931, 124443, 128214, 135337, 143298, 156706, 175142, 191862, 192321, 214947, 235059, 248886, 262713, 270674, 384642, 406011, 429894, 470118, 525426, 705177, 788139, 812022, 1218033, 1410354, 1488707, 1576278, 2115531, 2364417, 2436066, 2977414, 3654099, 4231062, 4466121, 4728834, 7308198, 8932242, 13398363, 26796726, 40195089, 80390178]

約数ペア:

[(1, 80390178), (2, 40195089), (3, 26796726), (6, 13398363), (9, 8932242), (11, 7308198), (17, 4728834), (18, 4466121), (19, 4231062), (22, 3654099), (27, 2977414), (33, 2436066), (34, 2364417), (38, 2115531), (51, 1576278), (54, 1488707), (57, 1410354), (66, 1218033), (99, 812022), (102, 788139), (114, 705177), (153, 525426), (171, 470118), (187, 429894), (198, 406011), (209, 384642), (297, 270674), (306, 262713), (323, 248886), (342, 235059), (374, 214947), (418, 192321), (419, 191862), (459, 175142), (513, 156706), (561, 143298), (594, 135337), (627, 128214), (646, 124443), (838, 95931), (918, 87571), (969, 82962), (1026, 78353), (1122, 71649), (1254, 64107), (1257, 63954), (1683, 47766), (1881, 42738), (1938, 41481), (2514, 31977), (2907, 27654), (3366, 23883), (3553, 22626), (3762, 21369), (3771, 21318), (4609, 17442), (5049, 15922), (5643, 14246), (5814, 13827), (7106, 11313), (7123, 11286), (7542, 10659), (7961, 10098), (8721, 9218)]