256887360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:681

約数の個数: 168

約数和(自身を含む): 890113536

約数和(自身を除く): 633226176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 191, 192, 240, 288, 320, 360, 382, 467, 480, 573, 576, 720, 764, 934, 955, 960, 1146, 1401, 1440, 1528, 1719, 1868, 1910, 2292, 2335, 2802, 2865, 2880, 3056, 3438, 3736, 3820, 4203, 4584, 4670, 5604, 5730, 6112, 6876, 7005, 7472, 7640, 8406, 8595, 9168, 9340, 11208, 11460, 12224, 13752, 14010, 14944, 15280, 16812, 17190, 18336, 18680, 21015, 22416, 22920, 27504, 28020, 29888, 30560, 33624, 34380, 36672, 37360, 42030, 44832, 45840, 55008, 56040, 61120, 67248, 68760, 74720, 84060, 89197, 89664, 91680, 110016, 112080, 134496, 137520, 149440, 168120, 178394, 183360, 224160, 267591, 268992, 275040, 336240, 356788, 445985, 448320, 535182, 550080, 672480, 713576, 802773, 891970, 1070364, 1337955, 1344960, 1427152, 1605546, 1783940, 2140728, 2675910, 2854304, 3211092, 3567880, 4013865, 4281456, 5351820, 5708608, 6422184, 7135760, 8027730, 8562912, 10703640, 12844368, 14271520, 16055460, 17125824, 21407280, 25688736, 28543040, 32110920, 42814560, 51377472, 64221840, 85629120, 128443680, 256887360]

約数ペア:

[(1, 256887360), (2, 128443680), (3, 85629120), (4, 64221840), (5, 51377472), (6, 42814560), (8, 32110920), (9, 28543040), (10, 25688736), (12, 21407280), (15, 17125824), (16, 16055460), (18, 14271520), (20, 12844368), (24, 10703640), (30, 8562912), (32, 8027730), (36, 7135760), (40, 6422184), (45, 5708608), (48, 5351820), (60, 4281456), (64, 4013865), (72, 3567880), (80, 3211092), (90, 2854304), (96, 2675910), (120, 2140728), (144, 1783940), (160, 1605546), (180, 1427152), (191, 1344960), (192, 1337955), (240, 1070364), (288, 891970), (320, 802773), (360, 713576), (382, 672480), (467, 550080), (480, 535182), (573, 448320), (576, 445985), (720, 356788), (764, 336240), (934, 275040), (955, 268992), (960, 267591), (1146, 224160), (1401, 183360), (1440, 178394), (1528, 168120), (1719, 149440), (1868, 137520), (1910, 134496), (2292, 112080), (2335, 110016), (2802, 91680), (2865, 89664), (2880, 89197), (3056, 84060), (3438, 74720), (3736, 68760), (3820, 67248), (4203, 61120), (4584, 56040), (4670, 55008), (5604, 45840), (5730, 44832), (6112, 42030), (6876, 37360), (7005, 36672), (7472, 34380), (7640, 33624), (8406, 30560), (8595, 29888), (9168, 28020), (9340, 27504), (11208, 22920), (11460, 22416), (12224, 21015), (13752, 18680), (14010, 18336), (14944, 17190), (15280, 16812)]