314878720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 824140800

約数和(自身を除く): 509262080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 149, 160, 208, 254, 256, 260, 298, 320, 416, 508, 520, 596, 635, 640, 745, 832, 1016, 1040, 1192, 1270, 1280, 1490, 1651, 1664, 1937, 2032, 2080, 2384, 2540, 2980, 3302, 3328, 3874, 4064, 4160, 4768, 5080, 5960, 6604, 7748, 8128, 8255, 8320, 9536, 9685, 10160, 11920, 13208, 15496, 16256, 16510, 16640, 18923, 19072, 19370, 20320, 23840, 26416, 30992, 32512, 33020, 37846, 38144, 38740, 40640, 47680, 52832, 61984, 66040, 75692, 77480, 81280, 94615, 95360, 105664, 123968, 132080, 151384, 154960, 162560, 189230, 190720, 211328, 245999, 247936, 264160, 302768, 309920, 378460, 422656, 491998, 495872, 528320, 605536, 619840, 756920, 983996, 1056640, 1211072, 1229995, 1239680, 1513840, 1967992, 2113280, 2422144, 2459990, 2479360, 3027680, 3935984, 4844288, 4919980, 6055360, 7871968, 9839960, 12110720, 15743936, 19679920, 24221440, 31487872, 39359840, 62975744, 78719680, 157439360, 314878720]

約数ペア:

[(1, 314878720), (2, 157439360), (4, 78719680), (5, 62975744), (8, 39359840), (10, 31487872), (13, 24221440), (16, 19679920), (20, 15743936), (26, 12110720), (32, 9839960), (40, 7871968), (52, 6055360), (64, 4919980), (65, 4844288), (80, 3935984), (104, 3027680), (127, 2479360), (128, 2459990), (130, 2422144), (149, 2113280), (160, 1967992), (208, 1513840), (254, 1239680), (256, 1229995), (260, 1211072), (298, 1056640), (320, 983996), (416, 756920), (508, 619840), (520, 605536), (596, 528320), (635, 495872), (640, 491998), (745, 422656), (832, 378460), (1016, 309920), (1040, 302768), (1192, 264160), (1270, 247936), (1280, 245999), (1490, 211328), (1651, 190720), (1664, 189230), (1937, 162560), (2032, 154960), (2080, 151384), (2384, 132080), (2540, 123968), (2980, 105664), (3302, 95360), (3328, 94615), (3874, 81280), (4064, 77480), (4160, 75692), (4768, 66040), (5080, 61984), (5960, 52832), (6604, 47680), (7748, 40640), (8128, 38740), (8255, 38144), (8320, 37846), (9536, 33020), (9685, 32512), (10160, 30992), (11920, 26416), (13208, 23840), (15496, 20320), (16256, 19370), (16510, 19072), (16640, 18923)]