256045860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:432

約数の個数: 240

約数和(自身を含む): 934437504

約数和(自身を除く): 678391644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 67, 70, 81, 84, 90, 105, 108, 126, 134, 135, 140, 162, 180, 189, 201, 210, 252, 268, 270, 315, 324, 335, 337, 378, 402, 405, 420, 469, 540, 567, 603, 630, 670, 674, 756, 804, 810, 938, 945, 1005, 1011, 1134, 1206, 1260, 1340, 1348, 1407, 1620, 1685, 1809, 1876, 1890, 2010, 2022, 2268, 2345, 2359, 2412, 2814, 2835, 3015, 3033, 3370, 3618, 3780, 4020, 4044, 4221, 4690, 4718, 5055, 5427, 5628, 5670, 6030, 6066, 6740, 7035, 7077, 7236, 8442, 9045, 9099, 9380, 9436, 10110, 10854, 11340, 11795, 12060, 12132, 12663, 14070, 14154, 15165, 16884, 18090, 18198, 20220, 21105, 21231, 21708, 22579, 23590, 25326, 27135, 27297, 28140, 28308, 30330, 35385, 36180, 36396, 37989, 42210, 42462, 45158, 45495, 47180, 50652, 54270, 54594, 60660, 63315, 63693, 67737, 70770, 75978, 84420, 84924, 90316, 90990, 106155, 108540, 109188, 112895, 126630, 127386, 135474, 136485, 141540, 151956, 158053, 181980, 189945, 191079, 203211, 212310, 225790, 253260, 254772, 270948, 272970, 316106, 318465, 338685, 379890, 382158, 406422, 424620, 451580, 474159, 545940, 609633, 632212, 636930, 677370, 759780, 764316, 790265, 812844, 948318, 955395, 1016055, 1219266, 1273860, 1354740, 1422477, 1580530, 1828899, 1896636, 1910790, 2032110, 2370795, 2438532, 2844954, 3048165, 3161060, 3657798, 3821580, 4064220, 4267431, 4741590, 5689908, 6096330, 7112385, 7315596, 8534862, 9144495, 9483180, 12192660, 12802293, 14224770, 17069724, 18288990, 21337155, 25604586, 28449540, 36577980, 42674310, 51209172, 64011465, 85348620, 128022930, 256045860]

約数ペア:

[(1, 256045860), (2, 128022930), (3, 85348620), (4, 64011465), (5, 51209172), (6, 42674310), (7, 36577980), (9, 28449540), (10, 25604586), (12, 21337155), (14, 18288990), (15, 17069724), (18, 14224770), (20, 12802293), (21, 12192660), (27, 9483180), (28, 9144495), (30, 8534862), (35, 7315596), (36, 7112385), (42, 6096330), (45, 5689908), (54, 4741590), (60, 4267431), (63, 4064220), (67, 3821580), (70, 3657798), (81, 3161060), (84, 3048165), (90, 2844954), (105, 2438532), (108, 2370795), (126, 2032110), (134, 1910790), (135, 1896636), (140, 1828899), (162, 1580530), (180, 1422477), (189, 1354740), (201, 1273860), (210, 1219266), (252, 1016055), (268, 955395), (270, 948318), (315, 812844), (324, 790265), (335, 764316), (337, 759780), (378, 677370), (402, 636930), (405, 632212), (420, 609633), (469, 545940), (540, 474159), (567, 451580), (603, 424620), (630, 406422), (670, 382158), (674, 379890), (756, 338685), (804, 318465), (810, 316106), (938, 272970), (945, 270948), (1005, 254772), (1011, 253260), (1134, 225790), (1206, 212310), (1260, 203211), (1340, 191079), (1348, 189945), (1407, 181980), (1620, 158053), (1685, 151956), (1809, 141540), (1876, 136485), (1890, 135474), (2010, 127386), (2022, 126630), (2268, 112895), (2345, 109188), (2359, 108540), (2412, 106155), (2814, 90990), (2835, 90316), (3015, 84924), (3033, 84420), (3370, 75978), (3618, 70770), (3780, 67737), (4020, 63693), (4044, 63315), (4221, 60660), (4690, 54594), (4718, 54270), (5055, 50652), (5427, 47180), (5628, 45495), (5670, 45158), (6030, 42462), (6066, 42210), (6740, 37989), (7035, 36396), (7077, 36180), (7236, 35385), (8442, 30330), (9045, 28308), (9099, 28140), (9380, 27297), (9436, 27135), (10110, 25326), (10854, 23590), (11340, 22579), (11795, 21708), (12060, 21231), (12132, 21105), (12663, 20220), (14070, 18198), (14154, 18090), (15165, 16884)]