257460768

素因数分解:

$2^5\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1492

約数の個数: 120

約数和(自身を含む): 768398400

約数和(自身を除く): 510937632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 71, 72, 81, 96, 108, 142, 144, 162, 213, 216, 284, 288, 324, 426, 432, 568, 639, 648, 852, 864, 1136, 1278, 1296, 1399, 1704, 1917, 2272, 2556, 2592, 2798, 3408, 3834, 4197, 5112, 5596, 5751, 6816, 7668, 8394, 10224, 11192, 11502, 12591, 15336, 16788, 20448, 22384, 23004, 25182, 30672, 33576, 37773, 44768, 46008, 50364, 61344, 67152, 75546, 92016, 99329, 100728, 113319, 134304, 151092, 184032, 198658, 201456, 226638, 297987, 302184, 397316, 402912, 453276, 595974, 604368, 794632, 893961, 906552, 1191948, 1208736, 1589264, 1787922, 1813104, 2383896, 2681883, 3178528, 3575844, 3626208, 4767792, 5363766, 7151688, 8045649, 9535584, 10727532, 14303376, 16091298, 21455064, 28606752, 32182596, 42910128, 64365192, 85820256, 128730384, 257460768]

約数ペア:

[(1, 257460768), (2, 128730384), (3, 85820256), (4, 64365192), (6, 42910128), (8, 32182596), (9, 28606752), (12, 21455064), (16, 16091298), (18, 14303376), (24, 10727532), (27, 9535584), (32, 8045649), (36, 7151688), (48, 5363766), (54, 4767792), (71, 3626208), (72, 3575844), (81, 3178528), (96, 2681883), (108, 2383896), (142, 1813104), (144, 1787922), (162, 1589264), (213, 1208736), (216, 1191948), (284, 906552), (288, 893961), (324, 794632), (426, 604368), (432, 595974), (568, 453276), (639, 402912), (648, 397316), (852, 302184), (864, 297987), (1136, 226638), (1278, 201456), (1296, 198658), (1399, 184032), (1704, 151092), (1917, 134304), (2272, 113319), (2556, 100728), (2592, 99329), (2798, 92016), (3408, 75546), (3834, 67152), (4197, 61344), (5112, 50364), (5596, 46008), (5751, 44768), (6816, 37773), (7668, 33576), (8394, 30672), (10224, 25182), (11192, 23004), (11502, 22384), (12591, 20448), (15336, 16788)]