155907990

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:944

約数の個数: 160

約数和(自身を含む): 495120384

約数和(自身を除く): 339212394

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 81, 90, 93, 105, 126, 135, 155, 162, 186, 189, 210, 217, 270, 279, 310, 315, 378, 405, 434, 465, 558, 567, 630, 651, 810, 837, 887, 930, 945, 1085, 1134, 1302, 1395, 1674, 1774, 1890, 1953, 2170, 2511, 2661, 2790, 2835, 3255, 3906, 4185, 4435, 5022, 5322, 5670, 5859, 6209, 6510, 7983, 8370, 8870, 9765, 11718, 12418, 12555, 13305, 15966, 17577, 18627, 19530, 23949, 25110, 26610, 27497, 29295, 31045, 35154, 37254, 39915, 47898, 54994, 55881, 58590, 62090, 71847, 79830, 82491, 87885, 93135, 111762, 119745, 137485, 143694, 164982, 167643, 175770, 186270, 192479, 239490, 247473, 274970, 279405, 335286, 359235, 384958, 412455, 494946, 502929, 558810, 577437, 718470, 742419, 824910, 838215, 962395, 1005858, 1154874, 1237365, 1484838, 1676430, 1732311, 1924790, 2227257, 2474730, 2514645, 2887185, 3464622, 3712095, 4454514, 5029290, 5196933, 5774370, 7424190, 8661555, 10393866, 11136285, 15590799, 17323110, 22272570, 25984665, 31181598, 51969330, 77953995, 155907990]

約数ペア:

[(1, 155907990), (2, 77953995), (3, 51969330), (5, 31181598), (6, 25984665), (7, 22272570), (9, 17323110), (10, 15590799), (14, 11136285), (15, 10393866), (18, 8661555), (21, 7424190), (27, 5774370), (30, 5196933), (31, 5029290), (35, 4454514), (42, 3712095), (45, 3464622), (54, 2887185), (62, 2514645), (63, 2474730), (70, 2227257), (81, 1924790), (90, 1732311), (93, 1676430), (105, 1484838), (126, 1237365), (135, 1154874), (155, 1005858), (162, 962395), (186, 838215), (189, 824910), (210, 742419), (217, 718470), (270, 577437), (279, 558810), (310, 502929), (315, 494946), (378, 412455), (405, 384958), (434, 359235), (465, 335286), (558, 279405), (567, 274970), (630, 247473), (651, 239490), (810, 192479), (837, 186270), (887, 175770), (930, 167643), (945, 164982), (1085, 143694), (1134, 137485), (1302, 119745), (1395, 111762), (1674, 93135), (1774, 87885), (1890, 82491), (1953, 79830), (2170, 71847), (2511, 62090), (2661, 58590), (2790, 55881), (2835, 54994), (3255, 47898), (3906, 39915), (4185, 37254), (4435, 35154), (5022, 31045), (5322, 29295), (5670, 27497), (5859, 26610), (6209, 25110), (6510, 23949), (7983, 19530), (8370, 18627), (8870, 17577), (9765, 15966), (11718, 13305), (12418, 12555)]