16938880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 48960000

約数和(自身を除く): 32021120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 199, 224, 266, 280, 304, 320, 380, 398, 448, 532, 560, 608, 640, 665, 760, 796, 896, 995, 1064, 1120, 1216, 1330, 1393, 1520, 1592, 1990, 2128, 2240, 2432, 2660, 2786, 3040, 3184, 3781, 3980, 4256, 4480, 5320, 5572, 6080, 6368, 6965, 7562, 7960, 8512, 10640, 11144, 12160, 12736, 13930, 15124, 15920, 17024, 18905, 21280, 22288, 25472, 26467, 27860, 30248, 31840, 37810, 42560, 44576, 52934, 55720, 60496, 63680, 75620, 85120, 89152, 105868, 111440, 120992, 127360, 132335, 151240, 178304, 211736, 222880, 241984, 264670, 302480, 423472, 445760, 483968, 529340, 604960, 846944, 891520, 1058680, 1209920, 1693888, 2117360, 2419840, 3387776, 4234720, 8469440, 16938880]

約数ペア:

[(1, 16938880), (2, 8469440), (4, 4234720), (5, 3387776), (7, 2419840), (8, 2117360), (10, 1693888), (14, 1209920), (16, 1058680), (19, 891520), (20, 846944), (28, 604960), (32, 529340), (35, 483968), (38, 445760), (40, 423472), (56, 302480), (64, 264670), (70, 241984), (76, 222880), (80, 211736), (95, 178304), (112, 151240), (128, 132335), (133, 127360), (140, 120992), (152, 111440), (160, 105868), (190, 89152), (199, 85120), (224, 75620), (266, 63680), (280, 60496), (304, 55720), (320, 52934), (380, 44576), (398, 42560), (448, 37810), (532, 31840), (560, 30248), (608, 27860), (640, 26467), (665, 25472), (760, 22288), (796, 21280), (896, 18905), (995, 17024), (1064, 15920), (1120, 15124), (1216, 13930), (1330, 12736), (1393, 12160), (1520, 11144), (1592, 10640), (1990, 8512), (2128, 7960), (2240, 7562), (2432, 6965), (2660, 6368), (2786, 6080), (3040, 5572), (3184, 5320), (3781, 4480), (3980, 4256)]