51219840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 256

約数和(自身を含む): 193489920

約数和(自身を除く): 142270080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 64, 70, 74, 80, 84, 96, 103, 105, 111, 112, 120, 128, 140, 148, 160, 168, 185, 192, 206, 210, 222, 224, 240, 259, 280, 296, 309, 320, 336, 370, 384, 412, 420, 444, 448, 480, 515, 518, 555, 560, 592, 618, 640, 672, 721, 740, 777, 824, 840, 888, 896, 960, 1030, 1036, 1110, 1120, 1184, 1236, 1295, 1344, 1442, 1480, 1545, 1554, 1648, 1680, 1776, 1920, 2060, 2072, 2163, 2220, 2240, 2368, 2472, 2590, 2688, 2884, 2960, 3090, 3108, 3296, 3360, 3552, 3605, 3811, 3885, 4120, 4144, 4326, 4440, 4480, 4736, 4944, 5180, 5768, 5920, 6180, 6216, 6592, 6720, 7104, 7210, 7622, 7770, 8240, 8288, 8652, 8880, 9888, 10360, 10815, 11433, 11536, 11840, 12360, 12432, 13184, 13440, 14208, 14420, 15244, 15540, 16480, 16576, 17304, 17760, 19055, 19776, 20720, 21630, 22866, 23072, 23680, 24720, 24864, 26677, 28840, 30488, 31080, 32960, 33152, 34608, 35520, 38110, 39552, 41440, 43260, 45732, 46144, 49440, 49728, 53354, 57165, 57680, 60976, 62160, 65920, 69216, 71040, 76220, 80031, 82880, 86520, 91464, 92288, 98880, 99456, 106708, 114330, 115360, 121952, 124320, 133385, 138432, 152440, 160062, 165760, 173040, 182928, 197760, 213416, 228660, 230720, 243904, 248640, 266770, 276864, 304880, 320124, 346080, 365856, 400155, 426832, 457320, 461440, 487808, 497280, 533540, 609760, 640248, 692160, 731712, 800310, 853664, 914640, 1067080, 1219520, 1280496, 1384320, 1463424, 1600620, 1707328, 1829280, 2134160, 2439040, 2560992, 3201240, 3414656, 3658560, 4268320, 5121984, 6402480, 7317120, 8536640, 10243968, 12804960, 17073280, 25609920, 51219840]

約数ペア:

[(1, 51219840), (2, 25609920), (3, 17073280), (4, 12804960), (5, 10243968), (6, 8536640), (7, 7317120), (8, 6402480), (10, 5121984), (12, 4268320), (14, 3658560), (15, 3414656), (16, 3201240), (20, 2560992), (21, 2439040), (24, 2134160), (28, 1829280), (30, 1707328), (32, 1600620), (35, 1463424), (37, 1384320), (40, 1280496), (42, 1219520), (48, 1067080), (56, 914640), (60, 853664), (64, 800310), (70, 731712), (74, 692160), (80, 640248), (84, 609760), (96, 533540), (103, 497280), (105, 487808), (111, 461440), (112, 457320), (120, 426832), (128, 400155), (140, 365856), (148, 346080), (160, 320124), (168, 304880), (185, 276864), (192, 266770), (206, 248640), (210, 243904), (222, 230720), (224, 228660), (240, 213416), (259, 197760), (280, 182928), (296, 173040), (309, 165760), (320, 160062), (336, 152440), (370, 138432), (384, 133385), (412, 124320), (420, 121952), (444, 115360), (448, 114330), (480, 106708), (515, 99456), (518, 98880), (555, 92288), (560, 91464), (592, 86520), (618, 82880), (640, 80031), (672, 76220), (721, 71040), (740, 69216), (777, 65920), (824, 62160), (840, 60976), (888, 57680), (896, 57165), (960, 53354), (1030, 49728), (1036, 49440), (1110, 46144), (1120, 45732), (1184, 43260), (1236, 41440), (1295, 39552), (1344, 38110), (1442, 35520), (1480, 34608), (1545, 33152), (1554, 32960), (1648, 31080), (1680, 30488), (1776, 28840), (1920, 26677), (2060, 24864), (2072, 24720), (2163, 23680), (2220, 23072), (2240, 22866), (2368, 21630), (2472, 20720), (2590, 19776), (2688, 19055), (2884, 17760), (2960, 17304), (3090, 16576), (3108, 16480), (3296, 15540), (3360, 15244), (3552, 14420), (3605, 14208), (3811, 13440), (3885, 13184), (4120, 12432), (4144, 12360), (4326, 11840), (4440, 11536), (4480, 11433), (4736, 10815), (4944, 10360), (5180, 9888), (5768, 8880), (5920, 8652), (6180, 8288), (6216, 8240), (6592, 7770), (6720, 7622), (7104, 7210)]