257344128

素因数分解:

$2^7\times 3^4\times {\mathrm{24821}}^1$

素因数の和:24847

約数の個数: 80

約数和(自身を含む): 765882810

約数和(自身を除く): 508538682

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 24821, 49642, 74463, 99284, 148926, 198568, 223389, 297852, 397136, 446778, 595704, 670167, 794272, 893556, 1191408, 1340334, 1588544, 1787112, 2010501, 2382816, 2680668, 3177088, 3574224, 4021002, 4765632, 5361336, 7148448, 8042004, 9531264, 10722672, 14296896, 16084008, 21445344, 28593792, 32168016, 42890688, 64336032, 85781376, 128672064, 257344128]

約数ペア:

[(1, 257344128), (2, 128672064), (3, 85781376), (4, 64336032), (6, 42890688), (8, 32168016), (9, 28593792), (12, 21445344), (16, 16084008), (18, 14296896), (24, 10722672), (27, 9531264), (32, 8042004), (36, 7148448), (48, 5361336), (54, 4765632), (64, 4021002), (72, 3574224), (81, 3177088), (96, 2680668), (108, 2382816), (128, 2010501), (144, 1787112), (162, 1588544), (192, 1340334), (216, 1191408), (288, 893556), (324, 794272), (384, 670167), (432, 595704), (576, 446778), (648, 397136), (864, 297852), (1152, 223389), (1296, 198568), (1728, 148926), (2592, 99284), (3456, 74463), (5184, 49642), (10368, 24821)]