1278260256

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20903}}^1$

素因数の和:20943

約数の個数: 144

約数和(自身を含む): 4203710784

約数和(自身を除く): 2925450528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 78, 84, 91, 96, 98, 104, 112, 147, 156, 168, 182, 196, 208, 224, 273, 294, 312, 336, 364, 392, 416, 546, 588, 624, 637, 672, 728, 784, 1092, 1176, 1248, 1274, 1456, 1568, 1911, 2184, 2352, 2548, 2912, 3822, 4368, 4704, 5096, 7644, 8736, 10192, 15288, 20384, 20903, 30576, 41806, 61152, 62709, 83612, 125418, 146321, 167224, 250836, 271739, 292642, 334448, 438963, 501672, 543478, 585284, 668896, 815217, 877926, 1003344, 1024247, 1086956, 1170568, 1630434, 1755852, 1902173, 2006688, 2048494, 2173912, 2341136, 3072741, 3260868, 3511704, 3804346, 4096988, 4347824, 4682272, 5706519, 6145482, 6521736, 7023408, 7608692, 8193976, 8695648, 11413038, 12290964, 13043472, 13315211, 14046816, 15217384, 16387952, 22826076, 24581928, 26086944, 26630422, 30434768, 32775904, 39945633, 45652152, 49163856, 53260844, 60869536, 79891266, 91304304, 98327712, 106521688, 159782532, 182608608, 213043376, 319565064, 426086752, 639130128, 1278260256]

約数ペア:

[(1, 1278260256), (2, 639130128), (3, 426086752), (4, 319565064), (6, 213043376), (7, 182608608), (8, 159782532), (12, 106521688), (13, 98327712), (14, 91304304), (16, 79891266), (21, 60869536), (24, 53260844), (26, 49163856), (28, 45652152), (32, 39945633), (39, 32775904), (42, 30434768), (48, 26630422), (49, 26086944), (52, 24581928), (56, 22826076), (78, 16387952), (84, 15217384), (91, 14046816), (96, 13315211), (98, 13043472), (104, 12290964), (112, 11413038), (147, 8695648), (156, 8193976), (168, 7608692), (182, 7023408), (196, 6521736), (208, 6145482), (224, 5706519), (273, 4682272), (294, 4347824), (312, 4096988), (336, 3804346), (364, 3511704), (392, 3260868), (416, 3072741), (546, 2341136), (588, 2173912), (624, 2048494), (637, 2006688), (672, 1902173), (728, 1755852), (784, 1630434), (1092, 1170568), (1176, 1086956), (1248, 1024247), (1274, 1003344), (1456, 877926), (1568, 815217), (1911, 668896), (2184, 585284), (2352, 543478), (2548, 501672), (2912, 438963), (3822, 334448), (4368, 292642), (4704, 271739), (5096, 250836), (7644, 167224), (8736, 146321), (10192, 125418), (15288, 83612), (20384, 62709), (20903, 61152), (30576, 41806)]