256687704

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1492

約数の個数: 192

約数和(自身を含む): 887927040

約数和(自身を除く): 631239336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 117, 126, 156, 162, 168, 182, 189, 216, 234, 243, 252, 273, 312, 324, 351, 364, 378, 468, 486, 504, 546, 567, 648, 702, 728, 756, 819, 936, 972, 1053, 1092, 1134, 1404, 1451, 1512, 1638, 1701, 1944, 2106, 2184, 2268, 2457, 2808, 2902, 3159, 3276, 3402, 4212, 4353, 4536, 4914, 5804, 6318, 6552, 6804, 7371, 8424, 8706, 9828, 10157, 11608, 12636, 13059, 13608, 14742, 17412, 18863, 19656, 20314, 22113, 25272, 26118, 29484, 30471, 34824, 37726, 39177, 40628, 44226, 52236, 56589, 58968, 60942, 75452, 78354, 81256, 88452, 91413, 104472, 113178, 117531, 121884, 132041, 150904, 156708, 169767, 176904, 182826, 226356, 235062, 243768, 264082, 274239, 313416, 339534, 352593, 365652, 396123, 452712, 470124, 509301, 528164, 548478, 679068, 705186, 731304, 792246, 822717, 940248, 1018602, 1056328, 1096956, 1188369, 1358136, 1410372, 1527903, 1584492, 1645434, 2037204, 2193912, 2376738, 2468151, 2820744, 3055806, 3168984, 3290868, 3565107, 4074408, 4583709, 4753476, 4936302, 6111612, 6581736, 7130214, 9167418, 9506952, 9872604, 10695321, 12223224, 14260428, 18334836, 19745208, 21390642, 28520856, 32085963, 36669672, 42781284, 64171926, 85562568, 128343852, 256687704]

約数ペア:

[(1, 256687704), (2, 128343852), (3, 85562568), (4, 64171926), (6, 42781284), (7, 36669672), (8, 32085963), (9, 28520856), (12, 21390642), (13, 19745208), (14, 18334836), (18, 14260428), (21, 12223224), (24, 10695321), (26, 9872604), (27, 9506952), (28, 9167418), (36, 7130214), (39, 6581736), (42, 6111612), (52, 4936302), (54, 4753476), (56, 4583709), (63, 4074408), (72, 3565107), (78, 3290868), (81, 3168984), (84, 3055806), (91, 2820744), (104, 2468151), (108, 2376738), (117, 2193912), (126, 2037204), (156, 1645434), (162, 1584492), (168, 1527903), (182, 1410372), (189, 1358136), (216, 1188369), (234, 1096956), (243, 1056328), (252, 1018602), (273, 940248), (312, 822717), (324, 792246), (351, 731304), (364, 705186), (378, 679068), (468, 548478), (486, 528164), (504, 509301), (546, 470124), (567, 452712), (648, 396123), (702, 365652), (728, 352593), (756, 339534), (819, 313416), (936, 274239), (972, 264082), (1053, 243768), (1092, 235062), (1134, 226356), (1404, 182826), (1451, 176904), (1512, 169767), (1638, 156708), (1701, 150904), (1944, 132041), (2106, 121884), (2184, 117531), (2268, 113178), (2457, 104472), (2808, 91413), (2902, 88452), (3159, 81256), (3276, 78354), (3402, 75452), (4212, 60942), (4353, 58968), (4536, 56589), (4914, 52236), (5804, 44226), (6318, 40628), (6552, 39177), (6804, 37726), (7371, 34824), (8424, 30471), (8706, 29484), (9828, 26118), (10157, 25272), (11608, 22113), (12636, 20314), (13059, 19656), (13608, 18863), (14742, 17412)]