256487472

素因数分解:

$2^4\times 3^5\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1673

約数の個数: 120

約数和(自身を含む): 763024080

約数和(自身を除く): 506536608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 81, 82, 108, 123, 144, 162, 164, 216, 243, 246, 324, 328, 369, 432, 486, 492, 648, 656, 738, 972, 984, 1107, 1296, 1476, 1609, 1944, 1968, 2214, 2952, 3218, 3321, 3888, 4428, 4827, 5904, 6436, 6642, 8856, 9654, 9963, 12872, 13284, 14481, 17712, 19308, 19926, 25744, 26568, 28962, 38616, 39852, 43443, 53136, 57924, 65969, 77232, 79704, 86886, 115848, 130329, 131938, 159408, 173772, 197907, 231696, 260658, 263876, 347544, 390987, 395814, 521316, 527752, 593721, 695088, 781974, 791628, 1042632, 1055504, 1187442, 1563948, 1583256, 1781163, 2085264, 2374884, 3127896, 3166512, 3562326, 4749768, 5343489, 6255792, 7124652, 9499536, 10686978, 14249304, 16030467, 21373956, 28498608, 32060934, 42747912, 64121868, 85495824, 128243736, 256487472]

約数ペア:

[(1, 256487472), (2, 128243736), (3, 85495824), (4, 64121868), (6, 42747912), (8, 32060934), (9, 28498608), (12, 21373956), (16, 16030467), (18, 14249304), (24, 10686978), (27, 9499536), (36, 7124652), (41, 6255792), (48, 5343489), (54, 4749768), (72, 3562326), (81, 3166512), (82, 3127896), (108, 2374884), (123, 2085264), (144, 1781163), (162, 1583256), (164, 1563948), (216, 1187442), (243, 1055504), (246, 1042632), (324, 791628), (328, 781974), (369, 695088), (432, 593721), (486, 527752), (492, 521316), (648, 395814), (656, 390987), (738, 347544), (972, 263876), (984, 260658), (1107, 231696), (1296, 197907), (1476, 173772), (1609, 159408), (1944, 131938), (1968, 130329), (2214, 115848), (2952, 86886), (3218, 79704), (3321, 77232), (3888, 65969), (4428, 57924), (4827, 53136), (5904, 43443), (6436, 39852), (6642, 38616), (8856, 28962), (9654, 26568), (9963, 25744), (12872, 19926), (13284, 19308), (14481, 17712)]