254121840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^6$

素因数の和:64

約数の個数: 280

約数和(自身を含む): 1021192080

約数和(自身を除く): 767070240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 343, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 686, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1029, 1080, 1176, 1260, 1323, 1372, 1470, 1512, 1680, 1715, 1764, 1890, 1960, 2058, 2160, 2205, 2352, 2401, 2520, 2646, 2744, 2940, 3024, 3087, 3430, 3528, 3780, 3920, 4116, 4410, 4802, 5040, 5145, 5292, 5488, 5880, 6174, 6615, 6860, 7056, 7203, 7560, 8232, 8820, 9261, 9604, 10290, 10584, 11760, 12005, 12348, 13230, 13720, 14406, 15120, 15435, 16464, 16807, 17640, 18522, 19208, 20580, 21168, 21609, 24010, 24696, 26460, 27440, 28812, 30870, 33614, 35280, 36015, 37044, 38416, 41160, 43218, 46305, 48020, 49392, 50421, 52920, 57624, 61740, 64827, 67228, 72030, 74088, 82320, 84035, 86436, 92610, 96040, 100842, 105840, 108045, 115248, 117649, 123480, 129654, 134456, 144060, 148176, 151263, 168070, 172872, 185220, 192080, 201684, 216090, 235298, 246960, 252105, 259308, 268912, 288120, 302526, 324135, 336140, 345744, 352947, 370440, 403368, 432180, 453789, 470596, 504210, 518616, 576240, 588245, 605052, 648270, 672280, 705894, 740880, 756315, 806736, 864360, 907578, 941192, 1008420, 1037232, 1058841, 1176490, 1210104, 1296540, 1344560, 1411788, 1512630, 1728720, 1764735, 1815156, 1882384, 2016840, 2117682, 2268945, 2352980, 2420208, 2593080, 2823576, 3025260, 3176523, 3529470, 3630312, 4033680, 4235364, 4537890, 4705960, 5186160, 5294205, 5647152, 6050520, 6353046, 7058940, 7260624, 8470728, 9075780, 9411920, 10588410, 12101040, 12706092, 14117880, 15882615, 16941456, 18151560, 21176820, 25412184, 28235760, 31765230, 36303120, 42353640, 50824368, 63530460, 84707280, 127060920, 254121840]

約数ペア:

[(1, 254121840), (2, 127060920), (3, 84707280), (4, 63530460), (5, 50824368), (6, 42353640), (7, 36303120), (8, 31765230), (9, 28235760), (10, 25412184), (12, 21176820), (14, 18151560), (15, 16941456), (16, 15882615), (18, 14117880), (20, 12706092), (21, 12101040), (24, 10588410), (27, 9411920), (28, 9075780), (30, 8470728), (35, 7260624), (36, 7058940), (40, 6353046), (42, 6050520), (45, 5647152), (48, 5294205), (49, 5186160), (54, 4705960), (56, 4537890), (60, 4235364), (63, 4033680), (70, 3630312), (72, 3529470), (80, 3176523), (84, 3025260), (90, 2823576), (98, 2593080), (105, 2420208), (108, 2352980), (112, 2268945), (120, 2117682), (126, 2016840), (135, 1882384), (140, 1815156), (144, 1764735), (147, 1728720), (168, 1512630), (180, 1411788), (189, 1344560), (196, 1296540), (210, 1210104), (216, 1176490), (240, 1058841), (245, 1037232), (252, 1008420), (270, 941192), (280, 907578), (294, 864360), (315, 806736), (336, 756315), (343, 740880), (360, 705894), (378, 672280), (392, 648270), (420, 605052), (432, 588245), (441, 576240), (490, 518616), (504, 504210), (540, 470596), (560, 453789), (588, 432180), (630, 403368), (686, 370440), (720, 352947), (735, 345744), (756, 336140), (784, 324135), (840, 302526), (882, 288120), (945, 268912), (980, 259308), (1008, 252105), (1029, 246960), (1080, 235298), (1176, 216090), (1260, 201684), (1323, 192080), (1372, 185220), (1470, 172872), (1512, 168070), (1680, 151263), (1715, 148176), (1764, 144060), (1890, 134456), (1960, 129654), (2058, 123480), (2160, 117649), (2205, 115248), (2352, 108045), (2401, 105840), (2520, 100842), (2646, 96040), (2744, 92610), (2940, 86436), (3024, 84035), (3087, 82320), (3430, 74088), (3528, 72030), (3780, 67228), (3920, 64827), (4116, 61740), (4410, 57624), (4802, 52920), (5040, 50421), (5145, 49392), (5292, 48020), (5488, 46305), (5880, 43218), (6174, 41160), (6615, 38416), (6860, 37044), (7056, 36015), (7203, 35280), (7560, 33614), (8232, 30870), (8820, 28812), (9261, 27440), (9604, 26460), (10290, 24696), (10584, 24010), (11760, 21609), (12005, 21168), (12348, 20580), (13230, 19208), (13720, 18522), (14406, 17640), (15120, 16807), (15435, 16464)]