256249656

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1651

約数の個数: 160

約数和(自身を含む): 814136400

約数和(自身を除く): 557886744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 72, 76, 78, 81, 104, 108, 114, 117, 152, 156, 162, 171, 216, 228, 234, 247, 312, 324, 342, 351, 456, 468, 494, 513, 648, 684, 702, 741, 936, 988, 1026, 1053, 1368, 1404, 1482, 1539, 1601, 1976, 2052, 2106, 2223, 2808, 2964, 3078, 3202, 4104, 4212, 4446, 4803, 5928, 6156, 6404, 6669, 8424, 8892, 9606, 12312, 12808, 13338, 14409, 17784, 19212, 20007, 20813, 26676, 28818, 30419, 38424, 40014, 41626, 43227, 53352, 57636, 60838, 62439, 80028, 83252, 86454, 91257, 115272, 121676, 124878, 129681, 160056, 166504, 172908, 182514, 187317, 243352, 249756, 259362, 273771, 345816, 365028, 374634, 395447, 499512, 518724, 547542, 561951, 730056, 749268, 790894, 821313, 1037448, 1095084, 1123902, 1186341, 1498536, 1581788, 1642626, 1685853, 2190168, 2247804, 2372682, 2463939, 3163576, 3285252, 3371706, 3559023, 4495608, 4745364, 4927878, 6570504, 6743412, 7118046, 9490728, 9855756, 10677069, 13486824, 14236092, 19711512, 21354138, 28472184, 32031207, 42708276, 64062414, 85416552, 128124828, 256249656]

約数ペア:

[(1, 256249656), (2, 128124828), (3, 85416552), (4, 64062414), (6, 42708276), (8, 32031207), (9, 28472184), (12, 21354138), (13, 19711512), (18, 14236092), (19, 13486824), (24, 10677069), (26, 9855756), (27, 9490728), (36, 7118046), (38, 6743412), (39, 6570504), (52, 4927878), (54, 4745364), (57, 4495608), (72, 3559023), (76, 3371706), (78, 3285252), (81, 3163576), (104, 2463939), (108, 2372682), (114, 2247804), (117, 2190168), (152, 1685853), (156, 1642626), (162, 1581788), (171, 1498536), (216, 1186341), (228, 1123902), (234, 1095084), (247, 1037448), (312, 821313), (324, 790894), (342, 749268), (351, 730056), (456, 561951), (468, 547542), (494, 518724), (513, 499512), (648, 395447), (684, 374634), (702, 365028), (741, 345816), (936, 273771), (988, 259362), (1026, 249756), (1053, 243352), (1368, 187317), (1404, 182514), (1482, 172908), (1539, 166504), (1601, 160056), (1976, 129681), (2052, 124878), (2106, 121676), (2223, 115272), (2808, 91257), (2964, 86454), (3078, 83252), (3202, 80028), (4104, 62439), (4212, 60838), (4446, 57636), (4803, 53352), (5928, 43227), (6156, 41626), (6404, 40014), (6669, 38424), (8424, 30419), (8892, 28818), (9606, 26676), (12312, 20813), (12808, 20007), (13338, 19212), (14409, 17784)]