51090480

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 320

約数和(自身を含む): 209510400

約数和(自身を除く): 158419920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 108, 109, 112, 120, 124, 126, 135, 140, 144, 155, 168, 180, 186, 189, 210, 216, 217, 218, 240, 248, 252, 270, 279, 280, 310, 315, 327, 336, 360, 372, 378, 420, 432, 434, 436, 465, 496, 504, 540, 545, 558, 560, 620, 630, 651, 654, 720, 744, 756, 763, 837, 840, 868, 872, 930, 945, 981, 1008, 1080, 1085, 1090, 1116, 1240, 1260, 1302, 1308, 1395, 1488, 1512, 1526, 1635, 1674, 1680, 1736, 1744, 1860, 1890, 1953, 1962, 2160, 2170, 2180, 2232, 2289, 2480, 2520, 2604, 2616, 2790, 2943, 3024, 3052, 3255, 3270, 3348, 3379, 3472, 3720, 3780, 3815, 3906, 3924, 4185, 4340, 4360, 4464, 4578, 4905, 5040, 5208, 5232, 5580, 5859, 5886, 6104, 6510, 6540, 6696, 6758, 6867, 7440, 7560, 7630, 7812, 7848, 8370, 8680, 8720, 9156, 9765, 9810, 10137, 10416, 11160, 11445, 11718, 11772, 12208, 13020, 13080, 13392, 13516, 13734, 14715, 15120, 15260, 15624, 15696, 16740, 16895, 17360, 18312, 19530, 19620, 20274, 20601, 22320, 22890, 23436, 23544, 23653, 26040, 26160, 27032, 27468, 29295, 29430, 30411, 30520, 31248, 33480, 33790, 34335, 36624, 39060, 39240, 40548, 41202, 45780, 46872, 47088, 47306, 50685, 52080, 54064, 54936, 58590, 58860, 60822, 61040, 66960, 67580, 68670, 70959, 78120, 78480, 81096, 82404, 91233, 91560, 93744, 94612, 101370, 103005, 109872, 117180, 117720, 118265, 121644, 135160, 137340, 141918, 152055, 156240, 162192, 164808, 182466, 183120, 189224, 202740, 206010, 212877, 234360, 235440, 236530, 243288, 270320, 274680, 283836, 304110, 329616, 354795, 364932, 378448, 405480, 412020, 425754, 456165, 468720, 473060, 486576, 549360, 567672, 608220, 638631, 709590, 729864, 810960, 824040, 851508, 912330, 946120, 1064385, 1135344, 1216440, 1277262, 1419180, 1459728, 1648080, 1703016, 1824660, 1892240, 2128770, 2432880, 2554524, 2838360, 3193155, 3406032, 3649320, 4257540, 5109048, 5676720, 6386310, 7298640, 8515080, 10218096, 12772620, 17030160, 25545240, 51090480]

約数ペア:

[(1, 51090480), (2, 25545240), (3, 17030160), (4, 12772620), (5, 10218096), (6, 8515080), (7, 7298640), (8, 6386310), (9, 5676720), (10, 5109048), (12, 4257540), (14, 3649320), (15, 3406032), (16, 3193155), (18, 2838360), (20, 2554524), (21, 2432880), (24, 2128770), (27, 1892240), (28, 1824660), (30, 1703016), (31, 1648080), (35, 1459728), (36, 1419180), (40, 1277262), (42, 1216440), (45, 1135344), (48, 1064385), (54, 946120), (56, 912330), (60, 851508), (62, 824040), (63, 810960), (70, 729864), (72, 709590), (80, 638631), (84, 608220), (90, 567672), (93, 549360), (105, 486576), (108, 473060), (109, 468720), (112, 456165), (120, 425754), (124, 412020), (126, 405480), (135, 378448), (140, 364932), (144, 354795), (155, 329616), (168, 304110), (180, 283836), (186, 274680), (189, 270320), (210, 243288), (216, 236530), (217, 235440), (218, 234360), (240, 212877), (248, 206010), (252, 202740), (270, 189224), (279, 183120), (280, 182466), (310, 164808), (315, 162192), (327, 156240), (336, 152055), (360, 141918), (372, 137340), (378, 135160), (420, 121644), (432, 118265), (434, 117720), (436, 117180), (465, 109872), (496, 103005), (504, 101370), (540, 94612), (545, 93744), (558, 91560), (560, 91233), (620, 82404), (630, 81096), (651, 78480), (654, 78120), (720, 70959), (744, 68670), (756, 67580), (763, 66960), (837, 61040), (840, 60822), (868, 58860), (872, 58590), (930, 54936), (945, 54064), (981, 52080), (1008, 50685), (1080, 47306), (1085, 47088), (1090, 46872), (1116, 45780), (1240, 41202), (1260, 40548), (1302, 39240), (1308, 39060), (1395, 36624), (1488, 34335), (1512, 33790), (1526, 33480), (1635, 31248), (1674, 30520), (1680, 30411), (1736, 29430), (1744, 29295), (1860, 27468), (1890, 27032), (1953, 26160), (1962, 26040), (2160, 23653), (2170, 23544), (2180, 23436), (2232, 22890), (2289, 22320), (2480, 20601), (2520, 20274), (2604, 19620), (2616, 19530), (2790, 18312), (2943, 17360), (3024, 16895), (3052, 16740), (3255, 15696), (3270, 15624), (3348, 15260), (3379, 15120), (3472, 14715), (3720, 13734), (3780, 13516), (3815, 13392), (3906, 13080), (3924, 13020), (4185, 12208), (4340, 11772), (4360, 11718), (4464, 11445), (4578, 11160), (4905, 10416), (5040, 10137), (5208, 9810), (5232, 9765), (5580, 9156), (5859, 8720), (5886, 8680), (6104, 8370), (6510, 7848), (6540, 7812), (6696, 7630), (6758, 7560), (6867, 7440)]