256399032

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 718502400

約数和(自身を除く): 462103368

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 46, 51, 68, 69, 89, 92, 102, 136, 138, 178, 184, 204, 267, 276, 307, 356, 391, 408, 534, 552, 614, 712, 782, 921, 1068, 1173, 1228, 1513, 1564, 1842, 2047, 2136, 2346, 2456, 3026, 3128, 3684, 4094, 4539, 4692, 5219, 6052, 6141, 7061, 7368, 8188, 9078, 9384, 10438, 12104, 12282, 14122, 15657, 16376, 18156, 20876, 21183, 24564, 27323, 28244, 31314, 34799, 36312, 41752, 42366, 49128, 54646, 56488, 62628, 69598, 81969, 84732, 104397, 109292, 120037, 125256, 139196, 163938, 169464, 208794, 218584, 240074, 278392, 327876, 360111, 417588, 464491, 480148, 628429, 655752, 720222, 835176, 928982, 960296, 1256858, 1393473, 1440444, 1857964, 1885287, 2513716, 2786946, 2880888, 3715928, 3770574, 5027432, 5573892, 7541148, 10683293, 11147784, 15082296, 21366586, 32049879, 42733172, 64099758, 85466344, 128199516, 256399032]

約数ペア:

[(1, 256399032), (2, 128199516), (3, 85466344), (4, 64099758), (6, 42733172), (8, 32049879), (12, 21366586), (17, 15082296), (23, 11147784), (24, 10683293), (34, 7541148), (46, 5573892), (51, 5027432), (68, 3770574), (69, 3715928), (89, 2880888), (92, 2786946), (102, 2513716), (136, 1885287), (138, 1857964), (178, 1440444), (184, 1393473), (204, 1256858), (267, 960296), (276, 928982), (307, 835176), (356, 720222), (391, 655752), (408, 628429), (534, 480148), (552, 464491), (614, 417588), (712, 360111), (782, 327876), (921, 278392), (1068, 240074), (1173, 218584), (1228, 208794), (1513, 169464), (1564, 163938), (1842, 139196), (2047, 125256), (2136, 120037), (2346, 109292), (2456, 104397), (3026, 84732), (3128, 81969), (3684, 69598), (4094, 62628), (4539, 56488), (4692, 54646), (5219, 49128), (6052, 42366), (6141, 41752), (7061, 36312), (7368, 34799), (8188, 31314), (9078, 28244), (9384, 27323), (10438, 24564), (12104, 21183), (12282, 20876), (14122, 18156), (15657, 16376)]