79728180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 273960960

約数和(自身を除く): 194232780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 97, 103, 105, 114, 133, 140, 190, 194, 206, 210, 228, 266, 285, 291, 309, 380, 388, 399, 412, 420, 485, 515, 532, 570, 582, 618, 665, 679, 721, 798, 970, 1030, 1140, 1164, 1236, 1330, 1358, 1442, 1455, 1545, 1596, 1843, 1940, 1957, 1995, 2037, 2060, 2163, 2660, 2716, 2884, 2910, 3090, 3395, 3605, 3686, 3914, 3990, 4074, 4326, 5529, 5820, 5871, 6180, 6790, 7210, 7372, 7828, 7980, 8148, 8652, 9215, 9785, 9991, 10185, 10815, 11058, 11742, 12901, 13580, 13699, 14420, 18430, 19570, 19982, 20370, 21630, 22116, 23484, 25802, 27398, 27645, 29355, 29973, 36860, 38703, 39140, 39964, 40740, 41097, 43260, 49955, 51604, 54796, 55290, 58710, 59946, 64505, 68495, 69937, 77406, 82194, 99910, 110580, 117420, 119892, 129010, 136990, 139874, 149865, 154812, 164388, 189829, 193515, 199820, 205485, 209811, 258020, 273980, 279748, 299730, 349685, 379658, 387030, 410970, 419622, 569487, 599460, 699370, 759316, 774060, 821940, 839244, 949145, 1049055, 1138974, 1328803, 1398740, 1898290, 2098110, 2277948, 2657606, 2847435, 3796580, 3986409, 4196220, 5315212, 5694870, 6644015, 7972818, 11389740, 13288030, 15945636, 19932045, 26576060, 39864090, 79728180]

約数ペア:

[(1, 79728180), (2, 39864090), (3, 26576060), (4, 19932045), (5, 15945636), (6, 13288030), (7, 11389740), (10, 7972818), (12, 6644015), (14, 5694870), (15, 5315212), (19, 4196220), (20, 3986409), (21, 3796580), (28, 2847435), (30, 2657606), (35, 2277948), (38, 2098110), (42, 1898290), (57, 1398740), (60, 1328803), (70, 1138974), (76, 1049055), (84, 949145), (95, 839244), (97, 821940), (103, 774060), (105, 759316), (114, 699370), (133, 599460), (140, 569487), (190, 419622), (194, 410970), (206, 387030), (210, 379658), (228, 349685), (266, 299730), (285, 279748), (291, 273980), (309, 258020), (380, 209811), (388, 205485), (399, 199820), (412, 193515), (420, 189829), (485, 164388), (515, 154812), (532, 149865), (570, 139874), (582, 136990), (618, 129010), (665, 119892), (679, 117420), (721, 110580), (798, 99910), (970, 82194), (1030, 77406), (1140, 69937), (1164, 68495), (1236, 64505), (1330, 59946), (1358, 58710), (1442, 55290), (1455, 54796), (1545, 51604), (1596, 49955), (1843, 43260), (1940, 41097), (1957, 40740), (1995, 39964), (2037, 39140), (2060, 38703), (2163, 36860), (2660, 29973), (2716, 29355), (2884, 27645), (2910, 27398), (3090, 25802), (3395, 23484), (3605, 22116), (3686, 21630), (3914, 20370), (3990, 19982), (4074, 19570), (4326, 18430), (5529, 14420), (5820, 13699), (5871, 13580), (6180, 12901), (6790, 11742), (7210, 11058), (7372, 10815), (7828, 10185), (7980, 9991), (8148, 9785), (8652, 9215)]