255802560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 224

約数和(自身を含む): 887577600

約数和(自身を除く): 631775040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 103, 104, 120, 130, 156, 160, 192, 195, 199, 206, 208, 240, 260, 309, 312, 320, 390, 398, 412, 416, 480, 515, 520, 597, 618, 624, 780, 796, 824, 832, 960, 995, 1030, 1040, 1194, 1236, 1248, 1339, 1545, 1560, 1592, 1648, 1990, 2060, 2080, 2388, 2472, 2496, 2587, 2678, 2985, 3090, 3120, 3184, 3296, 3980, 4017, 4120, 4160, 4776, 4944, 5174, 5356, 5970, 6180, 6240, 6368, 6592, 6695, 7761, 7960, 8034, 8240, 9552, 9888, 10348, 10712, 11940, 12360, 12480, 12736, 12935, 13390, 15522, 15920, 16068, 16480, 19104, 19776, 20085, 20497, 20696, 21424, 23880, 24720, 25870, 26780, 31044, 31840, 32136, 32960, 38208, 38805, 40170, 40994, 41392, 42848, 47760, 49440, 51740, 53560, 61491, 62088, 63680, 64272, 77610, 80340, 81988, 82784, 85696, 95520, 98880, 102485, 103480, 107120, 122982, 124176, 128544, 155220, 160680, 163976, 165568, 191040, 204970, 206960, 214240, 245964, 248352, 257088, 266461, 307455, 310440, 321360, 327952, 409940, 413920, 428480, 491928, 496704, 532922, 614910, 620880, 642720, 655904, 799383, 819880, 827840, 983856, 1065844, 1229820, 1241760, 1285440, 1311808, 1332305, 1598766, 1639760, 1967712, 2131688, 2459640, 2483520, 2664610, 3197532, 3279520, 3935424, 3996915, 4263376, 4919280, 5329220, 6395064, 6559040, 7993830, 8526752, 9838560, 10658440, 12790128, 15987660, 17053504, 19677120, 21316880, 25580256, 31975320, 42633760, 51160512, 63950640, 85267520, 127901280, 255802560]

約数ペア:

[(1, 255802560), (2, 127901280), (3, 85267520), (4, 63950640), (5, 51160512), (6, 42633760), (8, 31975320), (10, 25580256), (12, 21316880), (13, 19677120), (15, 17053504), (16, 15987660), (20, 12790128), (24, 10658440), (26, 9838560), (30, 8526752), (32, 7993830), (39, 6559040), (40, 6395064), (48, 5329220), (52, 4919280), (60, 4263376), (64, 3996915), (65, 3935424), (78, 3279520), (80, 3197532), (96, 2664610), (103, 2483520), (104, 2459640), (120, 2131688), (130, 1967712), (156, 1639760), (160, 1598766), (192, 1332305), (195, 1311808), (199, 1285440), (206, 1241760), (208, 1229820), (240, 1065844), (260, 983856), (309, 827840), (312, 819880), (320, 799383), (390, 655904), (398, 642720), (412, 620880), (416, 614910), (480, 532922), (515, 496704), (520, 491928), (597, 428480), (618, 413920), (624, 409940), (780, 327952), (796, 321360), (824, 310440), (832, 307455), (960, 266461), (995, 257088), (1030, 248352), (1040, 245964), (1194, 214240), (1236, 206960), (1248, 204970), (1339, 191040), (1545, 165568), (1560, 163976), (1592, 160680), (1648, 155220), (1990, 128544), (2060, 124176), (2080, 122982), (2388, 107120), (2472, 103480), (2496, 102485), (2587, 98880), (2678, 95520), (2985, 85696), (3090, 82784), (3120, 81988), (3184, 80340), (3296, 77610), (3980, 64272), (4017, 63680), (4120, 62088), (4160, 61491), (4776, 53560), (4944, 51740), (5174, 49440), (5356, 47760), (5970, 42848), (6180, 41392), (6240, 40994), (6368, 40170), (6592, 38805), (6695, 38208), (7761, 32960), (7960, 32136), (8034, 31840), (8240, 31044), (9552, 26780), (9888, 25870), (10348, 24720), (10712, 23880), (11940, 21424), (12360, 20696), (12480, 20497), (12736, 20085), (12935, 19776), (13390, 19104), (15522, 16480), (15920, 16068)]