278104960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2699}}^1$

素因数の和:2748

約数の個数: 128

約数和(自身を含む): 793152000

約数和(自身を除く): 515047040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 2699, 2944, 3220, 3680, 4480, 5152, 5398, 6440, 7360, 10304, 10796, 12880, 13495, 14720, 18893, 20608, 21592, 25760, 26990, 37786, 43184, 51520, 53980, 62077, 75572, 86368, 94465, 103040, 107960, 124154, 151144, 172736, 188930, 215920, 248308, 302288, 310385, 345472, 377860, 431840, 434539, 496616, 604576, 620770, 755720, 863680, 869078, 993232, 1209152, 1241540, 1511440, 1727360, 1738156, 1986464, 2172695, 2418304, 2483080, 3022880, 3476312, 3972928, 4345390, 4966160, 6045760, 6952624, 7945856, 8690780, 9932320, 12091520, 13905248, 17381560, 19864640, 27810496, 34763120, 39729280, 55620992, 69526240, 139052480, 278104960]

約数ペア:

[(1, 278104960), (2, 139052480), (4, 69526240), (5, 55620992), (7, 39729280), (8, 34763120), (10, 27810496), (14, 19864640), (16, 17381560), (20, 13905248), (23, 12091520), (28, 9932320), (32, 8690780), (35, 7945856), (40, 6952624), (46, 6045760), (56, 4966160), (64, 4345390), (70, 3972928), (80, 3476312), (92, 3022880), (112, 2483080), (115, 2418304), (128, 2172695), (140, 1986464), (160, 1738156), (161, 1727360), (184, 1511440), (224, 1241540), (230, 1209152), (280, 993232), (320, 869078), (322, 863680), (368, 755720), (448, 620770), (460, 604576), (560, 496616), (640, 434539), (644, 431840), (736, 377860), (805, 345472), (896, 310385), (920, 302288), (1120, 248308), (1288, 215920), (1472, 188930), (1610, 172736), (1840, 151144), (2240, 124154), (2576, 107960), (2699, 103040), (2944, 94465), (3220, 86368), (3680, 75572), (4480, 62077), (5152, 53980), (5398, 51520), (6440, 43184), (7360, 37786), (10304, 26990), (10796, 25760), (12880, 21592), (13495, 20608), (14720, 18893)]