1320439680

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{32749}}^1$

素因数の和:32781

約数の個数: 192

約数和(自身を含む): 5211180000

約数和(自身を除く): 3890740320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 32749, 40320, 65498, 98247, 130996, 163745, 196494, 229243, 261992, 294741, 327490, 392988, 458486, 491235, 523984, 589482, 654980, 687729, 785976, 916972, 982470, 1047968, 1146215, 1178964, 1309960, 1375458, 1473705, 1571952, 1833944, 1964940, 2063187, 2095936, 2292430, 2357928, 2619920, 2750916, 2947410, 3143904, 3438645, 3667888, 3929880, 4126374, 4191872, 4584860, 4715856, 5239840, 5501832, 5894820, 6287808, 6877290, 7335776, 7859760, 8252748, 9169720, 9431712, 10315935, 10479680, 11003664, 11789640, 12575616, 13754580, 14671552, 15719520, 16505496, 18339440, 18863424, 20631870, 20959360, 22007328, 23579280, 27509160, 29343104, 31439040, 33010992, 36678880, 37726848, 41263740, 44014656, 47158560, 55018320, 62878080, 66021984, 73357760, 82527480, 88029312, 94317120, 110036640, 132043968, 146715520, 165054960, 188634240, 220073280, 264087936, 330109920, 440146560, 660219840, 1320439680]

約数ペア:

[(1, 1320439680), (2, 660219840), (3, 440146560), (4, 330109920), (5, 264087936), (6, 220073280), (7, 188634240), (8, 165054960), (9, 146715520), (10, 132043968), (12, 110036640), (14, 94317120), (15, 88029312), (16, 82527480), (18, 73357760), (20, 66021984), (21, 62878080), (24, 55018320), (28, 47158560), (30, 44014656), (32, 41263740), (35, 37726848), (36, 36678880), (40, 33010992), (42, 31439040), (45, 29343104), (48, 27509160), (56, 23579280), (60, 22007328), (63, 20959360), (64, 20631870), (70, 18863424), (72, 18339440), (80, 16505496), (84, 15719520), (90, 14671552), (96, 13754580), (105, 12575616), (112, 11789640), (120, 11003664), (126, 10479680), (128, 10315935), (140, 9431712), (144, 9169720), (160, 8252748), (168, 7859760), (180, 7335776), (192, 6877290), (210, 6287808), (224, 5894820), (240, 5501832), (252, 5239840), (280, 4715856), (288, 4584860), (315, 4191872), (320, 4126374), (336, 3929880), (360, 3667888), (384, 3438645), (420, 3143904), (448, 2947410), (480, 2750916), (504, 2619920), (560, 2357928), (576, 2292430), (630, 2095936), (640, 2063187), (672, 1964940), (720, 1833944), (840, 1571952), (896, 1473705), (960, 1375458), (1008, 1309960), (1120, 1178964), (1152, 1146215), (1260, 1047968), (1344, 982470), (1440, 916972), (1680, 785976), (1920, 687729), (2016, 654980), (2240, 589482), (2520, 523984), (2688, 491235), (2880, 458486), (3360, 392988), (4032, 327490), (4480, 294741), (5040, 261992), (5760, 229243), (6720, 196494), (8064, 163745), (10080, 130996), (13440, 98247), (20160, 65498), (32749, 40320)]