256545144

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 160

約数和(自身を含む): 770140800

約数和(自身を除く): 513595656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 67, 72, 76, 81, 108, 114, 134, 152, 162, 171, 201, 216, 228, 268, 311, 324, 342, 402, 456, 513, 536, 603, 622, 648, 684, 804, 933, 1026, 1206, 1244, 1273, 1368, 1539, 1608, 1809, 1866, 2052, 2412, 2488, 2546, 2799, 3078, 3618, 3732, 3819, 4104, 4824, 5092, 5427, 5598, 5909, 6156, 7236, 7464, 7638, 8397, 10184, 10854, 11196, 11457, 11818, 12312, 14472, 15276, 16794, 17727, 20837, 21708, 22392, 22914, 23636, 25191, 30552, 33588, 34371, 35454, 41674, 43416, 45828, 47272, 50382, 53181, 62511, 67176, 68742, 70908, 83348, 91656, 100764, 103113, 106362, 125022, 137484, 141816, 159543, 166696, 187533, 201528, 206226, 212724, 250044, 274968, 319086, 375066, 395903, 412452, 425448, 478629, 500088, 562599, 638172, 750132, 791806, 824904, 957258, 1125198, 1187709, 1276344, 1500264, 1583612, 1687797, 1914516, 2250396, 2375418, 3167224, 3375594, 3563127, 3829032, 4500792, 4750836, 6751188, 7126254, 9501672, 10689381, 13502376, 14252508, 21378762, 28505016, 32068143, 42757524, 64136286, 85515048, 128272572, 256545144]

約数ペア:

[(1, 256545144), (2, 128272572), (3, 85515048), (4, 64136286), (6, 42757524), (8, 32068143), (9, 28505016), (12, 21378762), (18, 14252508), (19, 13502376), (24, 10689381), (27, 9501672), (36, 7126254), (38, 6751188), (54, 4750836), (57, 4500792), (67, 3829032), (72, 3563127), (76, 3375594), (81, 3167224), (108, 2375418), (114, 2250396), (134, 1914516), (152, 1687797), (162, 1583612), (171, 1500264), (201, 1276344), (216, 1187709), (228, 1125198), (268, 957258), (311, 824904), (324, 791806), (342, 750132), (402, 638172), (456, 562599), (513, 500088), (536, 478629), (603, 425448), (622, 412452), (648, 395903), (684, 375066), (804, 319086), (933, 274968), (1026, 250044), (1206, 212724), (1244, 206226), (1273, 201528), (1368, 187533), (1539, 166696), (1608, 159543), (1809, 141816), (1866, 137484), (2052, 125022), (2412, 106362), (2488, 103113), (2546, 100764), (2799, 91656), (3078, 83348), (3618, 70908), (3732, 68742), (3819, 67176), (4104, 62511), (4824, 53181), (5092, 50382), (5427, 47272), (5598, 45828), (5909, 43416), (6156, 41674), (7236, 35454), (7464, 34371), (7638, 33588), (8397, 30552), (10184, 25191), (10854, 23636), (11196, 22914), (11457, 22392), (11818, 21708), (12312, 20837), (14472, 17727), (15276, 16794)]