513260800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 216

約数和(自身を含む): 1419353600

約数和(自身を除く): 906092800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 199, 200, 208, 248, 256, 260, 310, 320, 325, 398, 400, 403, 416, 496, 520, 620, 640, 650, 775, 796, 800, 806, 832, 992, 995, 1040, 1240, 1280, 1300, 1550, 1592, 1600, 1612, 1664, 1984, 1990, 2015, 2080, 2480, 2587, 2600, 3100, 3184, 3200, 3224, 3328, 3968, 3980, 4030, 4160, 4960, 4975, 5174, 5200, 6169, 6200, 6368, 6400, 6448, 7936, 7960, 8060, 8320, 9920, 9950, 10075, 10348, 10400, 12338, 12400, 12736, 12896, 12935, 15920, 16120, 16640, 19840, 19900, 20150, 20696, 20800, 24676, 24800, 25472, 25792, 25870, 30845, 31840, 32240, 39680, 39800, 40300, 41392, 41600, 49352, 49600, 50944, 51584, 51740, 61690, 63680, 64480, 64675, 79600, 80197, 80600, 82784, 83200, 98704, 99200, 103168, 103480, 123380, 127360, 128960, 129350, 154225, 159200, 160394, 161200, 165568, 197408, 198400, 206960, 246760, 254720, 257920, 258700, 308450, 318400, 320788, 322400, 331136, 394816, 400985, 413920, 493520, 515840, 517400, 616900, 636800, 641576, 644800, 662272, 789632, 801970, 827840, 987040, 1034800, 1233800, 1273600, 1283152, 1289600, 1579264, 1603940, 1655680, 1974080, 2004925, 2069600, 2467600, 2566304, 2579200, 3207880, 3311360, 3948160, 4009850, 4139200, 4935200, 5132608, 6415760, 7896320, 8019700, 8278400, 9870400, 10265216, 12831520, 16039400, 16556800, 19740800, 20530432, 25663040, 32078800, 39481600, 51326080, 64157600, 102652160, 128315200, 256630400, 513260800]

約数ペア:

[(1, 513260800), (2, 256630400), (4, 128315200), (5, 102652160), (8, 64157600), (10, 51326080), (13, 39481600), (16, 32078800), (20, 25663040), (25, 20530432), (26, 19740800), (31, 16556800), (32, 16039400), (40, 12831520), (50, 10265216), (52, 9870400), (62, 8278400), (64, 8019700), (65, 7896320), (80, 6415760), (100, 5132608), (104, 4935200), (124, 4139200), (128, 4009850), (130, 3948160), (155, 3311360), (160, 3207880), (199, 2579200), (200, 2566304), (208, 2467600), (248, 2069600), (256, 2004925), (260, 1974080), (310, 1655680), (320, 1603940), (325, 1579264), (398, 1289600), (400, 1283152), (403, 1273600), (416, 1233800), (496, 1034800), (520, 987040), (620, 827840), (640, 801970), (650, 789632), (775, 662272), (796, 644800), (800, 641576), (806, 636800), (832, 616900), (992, 517400), (995, 515840), (1040, 493520), (1240, 413920), (1280, 400985), (1300, 394816), (1550, 331136), (1592, 322400), (1600, 320788), (1612, 318400), (1664, 308450), (1984, 258700), (1990, 257920), (2015, 254720), (2080, 246760), (2480, 206960), (2587, 198400), (2600, 197408), (3100, 165568), (3184, 161200), (3200, 160394), (3224, 159200), (3328, 154225), (3968, 129350), (3980, 128960), (4030, 127360), (4160, 123380), (4960, 103480), (4975, 103168), (5174, 99200), (5200, 98704), (6169, 83200), (6200, 82784), (6368, 80600), (6400, 80197), (6448, 79600), (7936, 64675), (7960, 64480), (8060, 63680), (8320, 61690), (9920, 51740), (9950, 51584), (10075, 50944), (10348, 49600), (10400, 49352), (12338, 41600), (12400, 41392), (12736, 40300), (12896, 39800), (12935, 39680), (15920, 32240), (16120, 31840), (16640, 30845), (19840, 25870), (19900, 25792), (20150, 25472), (20696, 24800), (20800, 24676)]