256349904

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2609}}^1$

素因数の和:2732

約数の個数: 80

約数和(自身を含む): 699062400

約数和(自身を除く): 442712496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 89, 92, 138, 178, 184, 267, 276, 356, 368, 534, 552, 712, 1068, 1104, 1424, 2047, 2136, 2609, 4094, 4272, 5218, 6141, 7827, 8188, 10436, 12282, 15654, 16376, 20872, 24564, 31308, 32752, 41744, 49128, 60007, 62616, 98256, 120014, 125232, 180021, 232201, 240028, 360042, 464402, 480056, 696603, 720084, 928804, 960112, 1393206, 1440168, 1857608, 2786412, 2880336, 3715216, 5340623, 5572824, 10681246, 11145648, 16021869, 21362492, 32043738, 42724984, 64087476, 85449968, 128174952, 256349904]

約数ペア:

[(1, 256349904), (2, 128174952), (3, 85449968), (4, 64087476), (6, 42724984), (8, 32043738), (12, 21362492), (16, 16021869), (23, 11145648), (24, 10681246), (46, 5572824), (48, 5340623), (69, 3715216), (89, 2880336), (92, 2786412), (138, 1857608), (178, 1440168), (184, 1393206), (267, 960112), (276, 928804), (356, 720084), (368, 696603), (534, 480056), (552, 464402), (712, 360042), (1068, 240028), (1104, 232201), (1424, 180021), (2047, 125232), (2136, 120014), (2609, 98256), (4094, 62616), (4272, 60007), (5218, 49128), (6141, 41744), (7827, 32752), (8188, 31308), (10436, 24564), (12282, 20872), (15654, 16376)]