1338171520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 256

約数和(自身を含む): 3916800000

約数和(自身を除く): 2578628480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 79, 80, 95, 112, 128, 133, 140, 152, 158, 160, 190, 199, 224, 266, 280, 304, 316, 320, 380, 395, 398, 448, 532, 553, 560, 608, 632, 640, 665, 760, 790, 796, 896, 995, 1064, 1106, 1120, 1216, 1264, 1330, 1393, 1501, 1520, 1580, 1592, 1990, 2128, 2212, 2240, 2432, 2528, 2660, 2765, 2786, 3002, 3040, 3160, 3184, 3781, 3980, 4256, 4424, 4480, 5056, 5320, 5530, 5572, 6004, 6080, 6320, 6368, 6965, 7505, 7562, 7960, 8512, 8848, 10112, 10507, 10640, 11060, 11144, 12008, 12160, 12640, 12736, 13930, 15010, 15124, 15721, 15920, 17024, 17696, 18905, 21014, 21280, 22120, 22288, 24016, 25280, 25472, 26467, 27860, 30020, 30248, 31442, 31840, 35392, 37810, 42028, 42560, 44240, 44576, 48032, 50560, 52535, 52934, 55720, 60040, 60496, 62884, 63680, 70784, 75620, 78605, 84056, 85120, 88480, 89152, 96064, 105070, 105868, 110047, 111440, 120080, 120992, 125768, 127360, 132335, 151240, 157210, 168112, 176960, 178304, 192128, 210140, 211736, 220094, 222880, 240160, 241984, 251536, 264670, 298699, 302480, 314420, 336224, 353920, 420280, 423472, 440188, 445760, 480320, 483968, 503072, 529340, 550235, 597398, 604960, 628840, 672448, 840560, 846944, 880376, 891520, 960640, 1006144, 1058680, 1100470, 1194796, 1209920, 1257680, 1344896, 1493495, 1681120, 1693888, 1760752, 2012288, 2090893, 2117360, 2200940, 2389592, 2419840, 2515360, 2986990, 3362240, 3387776, 3521504, 4181786, 4234720, 4401880, 4779184, 5030720, 5973980, 6724480, 7043008, 8363572, 8469440, 8803760, 9558368, 10061440, 10454465, 11947960, 14086016, 16727144, 16938880, 17607520, 19116736, 20908930, 23895920, 33454288, 35215040, 38233472, 41817860, 47791840, 66908576, 70430080, 83635720, 95583680, 133817152, 167271440, 191167360, 267634304, 334542880, 669085760, 1338171520]

約数ペア:

[(1, 1338171520), (2, 669085760), (4, 334542880), (5, 267634304), (7, 191167360), (8, 167271440), (10, 133817152), (14, 95583680), (16, 83635720), (19, 70430080), (20, 66908576), (28, 47791840), (32, 41817860), (35, 38233472), (38, 35215040), (40, 33454288), (56, 23895920), (64, 20908930), (70, 19116736), (76, 17607520), (79, 16938880), (80, 16727144), (95, 14086016), (112, 11947960), (128, 10454465), (133, 10061440), (140, 9558368), (152, 8803760), (158, 8469440), (160, 8363572), (190, 7043008), (199, 6724480), (224, 5973980), (266, 5030720), (280, 4779184), (304, 4401880), (316, 4234720), (320, 4181786), (380, 3521504), (395, 3387776), (398, 3362240), (448, 2986990), (532, 2515360), (553, 2419840), (560, 2389592), (608, 2200940), (632, 2117360), (640, 2090893), (665, 2012288), (760, 1760752), (790, 1693888), (796, 1681120), (896, 1493495), (995, 1344896), (1064, 1257680), (1106, 1209920), (1120, 1194796), (1216, 1100470), (1264, 1058680), (1330, 1006144), (1393, 960640), (1501, 891520), (1520, 880376), (1580, 846944), (1592, 840560), (1990, 672448), (2128, 628840), (2212, 604960), (2240, 597398), (2432, 550235), (2528, 529340), (2660, 503072), (2765, 483968), (2786, 480320), (3002, 445760), (3040, 440188), (3160, 423472), (3184, 420280), (3781, 353920), (3980, 336224), (4256, 314420), (4424, 302480), (4480, 298699), (5056, 264670), (5320, 251536), (5530, 241984), (5572, 240160), (6004, 222880), (6080, 220094), (6320, 211736), (6368, 210140), (6965, 192128), (7505, 178304), (7562, 176960), (7960, 168112), (8512, 157210), (8848, 151240), (10112, 132335), (10507, 127360), (10640, 125768), (11060, 120992), (11144, 120080), (12008, 111440), (12160, 110047), (12640, 105868), (12736, 105070), (13930, 96064), (15010, 89152), (15124, 88480), (15721, 85120), (15920, 84056), (17024, 78605), (17696, 75620), (18905, 70784), (21014, 63680), (21280, 62884), (22120, 60496), (22288, 60040), (24016, 55720), (25280, 52934), (25472, 52535), (26467, 50560), (27860, 48032), (30020, 44576), (30248, 44240), (31442, 42560), (31840, 42028), (35392, 37810)]