251240640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^4\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 280

約数和(自身を含む): 939119280

約数和(自身を除く): 687878640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 109, 112, 120, 140, 147, 160, 168, 192, 196, 210, 218, 224, 240, 245, 280, 294, 320, 327, 336, 343, 392, 420, 436, 448, 480, 490, 545, 560, 588, 654, 672, 686, 735, 763, 784, 840, 872, 960, 980, 1029, 1090, 1120, 1176, 1308, 1344, 1372, 1470, 1526, 1568, 1635, 1680, 1715, 1744, 1960, 2058, 2180, 2240, 2289, 2352, 2401, 2616, 2744, 2940, 3052, 3136, 3270, 3360, 3430, 3488, 3815, 3920, 4116, 4360, 4578, 4704, 4802, 5145, 5232, 5341, 5488, 5880, 6104, 6540, 6720, 6860, 6976, 7203, 7630, 7840, 8232, 8720, 9156, 9408, 9604, 10290, 10464, 10682, 10976, 11445, 11760, 12005, 12208, 13080, 13720, 14406, 15260, 15680, 16023, 16464, 17440, 18312, 19208, 20580, 20928, 21364, 21952, 22890, 23520, 24010, 24416, 26160, 26705, 27440, 28812, 30520, 32046, 32928, 34880, 36015, 36624, 37387, 38416, 41160, 42728, 45780, 47040, 48020, 48832, 52320, 53410, 54880, 57624, 61040, 64092, 65856, 72030, 73248, 74774, 76832, 80115, 82320, 85456, 91560, 96040, 104640, 106820, 109760, 112161, 115248, 122080, 128184, 144060, 146496, 149548, 153664, 160230, 164640, 170912, 183120, 186935, 192080, 213640, 224322, 230496, 244160, 256368, 261709, 288120, 299096, 320460, 329280, 341824, 366240, 373870, 384160, 427280, 448644, 460992, 512736, 523418, 560805, 576240, 598192, 640920, 732480, 747740, 768320, 785127, 854560, 897288, 1025472, 1046836, 1121610, 1152480, 1196384, 1281840, 1308545, 1495480, 1570254, 1709120, 1794576, 2093672, 2243220, 2304960, 2392768, 2563680, 2617090, 2990960, 3140508, 3589152, 3925635, 4187344, 4486440, 5127360, 5234180, 5981920, 6281016, 7178304, 7851270, 8374688, 8972880, 10468360, 11963840, 12562032, 15702540, 16749376, 17945760, 20936720, 25124064, 31405080, 35891520, 41873440, 50248128, 62810160, 83746880, 125620320, 251240640]

約数ペア:

[(1, 251240640), (2, 125620320), (3, 83746880), (4, 62810160), (5, 50248128), (6, 41873440), (7, 35891520), (8, 31405080), (10, 25124064), (12, 20936720), (14, 17945760), (15, 16749376), (16, 15702540), (20, 12562032), (21, 11963840), (24, 10468360), (28, 8972880), (30, 8374688), (32, 7851270), (35, 7178304), (40, 6281016), (42, 5981920), (48, 5234180), (49, 5127360), (56, 4486440), (60, 4187344), (64, 3925635), (70, 3589152), (80, 3140508), (84, 2990960), (96, 2617090), (98, 2563680), (105, 2392768), (109, 2304960), (112, 2243220), (120, 2093672), (140, 1794576), (147, 1709120), (160, 1570254), (168, 1495480), (192, 1308545), (196, 1281840), (210, 1196384), (218, 1152480), (224, 1121610), (240, 1046836), (245, 1025472), (280, 897288), (294, 854560), (320, 785127), (327, 768320), (336, 747740), (343, 732480), (392, 640920), (420, 598192), (436, 576240), (448, 560805), (480, 523418), (490, 512736), (545, 460992), (560, 448644), (588, 427280), (654, 384160), (672, 373870), (686, 366240), (735, 341824), (763, 329280), (784, 320460), (840, 299096), (872, 288120), (960, 261709), (980, 256368), (1029, 244160), (1090, 230496), (1120, 224322), (1176, 213640), (1308, 192080), (1344, 186935), (1372, 183120), (1470, 170912), (1526, 164640), (1568, 160230), (1635, 153664), (1680, 149548), (1715, 146496), (1744, 144060), (1960, 128184), (2058, 122080), (2180, 115248), (2240, 112161), (2289, 109760), (2352, 106820), (2401, 104640), (2616, 96040), (2744, 91560), (2940, 85456), (3052, 82320), (3136, 80115), (3270, 76832), (3360, 74774), (3430, 73248), (3488, 72030), (3815, 65856), (3920, 64092), (4116, 61040), (4360, 57624), (4578, 54880), (4704, 53410), (4802, 52320), (5145, 48832), (5232, 48020), (5341, 47040), (5488, 45780), (5880, 42728), (6104, 41160), (6540, 38416), (6720, 37387), (6860, 36624), (6976, 36015), (7203, 34880), (7630, 32928), (7840, 32046), (8232, 30520), (8720, 28812), (9156, 27440), (9408, 26705), (9604, 26160), (10290, 24416), (10464, 24010), (10682, 23520), (10976, 22890), (11445, 21952), (11760, 21364), (12005, 20928), (12208, 20580), (13080, 19208), (13720, 18312), (14406, 17440), (15260, 16464), (15680, 16023)]