256216464

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1619}}^1$

素因数の和:1797

約数の個数: 120

約数和(自身を含む): 825215040

約数和(自身を除く): 568998576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 157, 168, 252, 314, 336, 471, 504, 628, 942, 1008, 1099, 1256, 1413, 1619, 1884, 2198, 2512, 2826, 3238, 3297, 3768, 4396, 4857, 5652, 6476, 6594, 7536, 8792, 9714, 9891, 11304, 11333, 12952, 13188, 14571, 17584, 19428, 19782, 22608, 22666, 25904, 26376, 29142, 33999, 38856, 39564, 45332, 52752, 58284, 67998, 77712, 79128, 90664, 101997, 116568, 135996, 158256, 181328, 203994, 233136, 254183, 271992, 407988, 508366, 543984, 762549, 815976, 1016732, 1525098, 1631952, 1779281, 2033464, 2287647, 3050196, 3558562, 4066928, 4575294, 5337843, 6100392, 7117124, 9150588, 10675686, 12200784, 14234248, 16013529, 18301176, 21351372, 28468496, 32027058, 36602352, 42702744, 64054116, 85405488, 128108232, 256216464]

約数ペア:

[(1, 256216464), (2, 128108232), (3, 85405488), (4, 64054116), (6, 42702744), (7, 36602352), (8, 32027058), (9, 28468496), (12, 21351372), (14, 18301176), (16, 16013529), (18, 14234248), (21, 12200784), (24, 10675686), (28, 9150588), (36, 7117124), (42, 6100392), (48, 5337843), (56, 4575294), (63, 4066928), (72, 3558562), (84, 3050196), (112, 2287647), (126, 2033464), (144, 1779281), (157, 1631952), (168, 1525098), (252, 1016732), (314, 815976), (336, 762549), (471, 543984), (504, 508366), (628, 407988), (942, 271992), (1008, 254183), (1099, 233136), (1256, 203994), (1413, 181328), (1619, 158256), (1884, 135996), (2198, 116568), (2512, 101997), (2826, 90664), (3238, 79128), (3297, 77712), (3768, 67998), (4396, 58284), (4857, 52752), (5652, 45332), (6476, 39564), (6594, 38856), (7536, 33999), (8792, 29142), (9714, 26376), (9891, 25904), (11304, 22666), (11333, 22608), (12952, 19782), (13188, 19428), (14571, 17584)]