256525992

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 192

約数和(自身を含む): 790732800

約数和(自身を除く): 534206808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 31, 36, 38, 46, 57, 62, 69, 72, 76, 92, 93, 114, 124, 138, 152, 171, 184, 186, 207, 228, 248, 263, 276, 279, 342, 372, 414, 437, 456, 526, 552, 558, 589, 684, 713, 744, 789, 828, 874, 1052, 1116, 1178, 1311, 1368, 1426, 1578, 1656, 1748, 1767, 2104, 2139, 2232, 2356, 2367, 2622, 2852, 3156, 3496, 3534, 3933, 4278, 4712, 4734, 4997, 5244, 5301, 5704, 6049, 6312, 6417, 7068, 7866, 8153, 8556, 9468, 9994, 10488, 10602, 12098, 12834, 13547, 14136, 14991, 15732, 16306, 17112, 18147, 18936, 19988, 21204, 24196, 24459, 25668, 27094, 29982, 31464, 32612, 36294, 39976, 40641, 42408, 44973, 48392, 48918, 51336, 54188, 54441, 59964, 65224, 72588, 73377, 81282, 89946, 97836, 108376, 108882, 114931, 119928, 121923, 145176, 146754, 154907, 162564, 179892, 187519, 195672, 217764, 229862, 243846, 293508, 309814, 325128, 344793, 359784, 375038, 435528, 459724, 464721, 487692, 562557, 587016, 619628, 689586, 750076, 919448, 929442, 975384, 1034379, 1125114, 1239256, 1379172, 1394163, 1500152, 1687671, 1858884, 2068758, 2250228, 2758344, 2788326, 3375342, 3562861, 3717768, 4137516, 4500456, 5576652, 6750684, 7125722, 8275032, 10688583, 11153304, 13501368, 14251444, 21377166, 28502888, 32065749, 42754332, 64131498, 85508664, 128262996, 256525992]

約数ペア:

[(1, 256525992), (2, 128262996), (3, 85508664), (4, 64131498), (6, 42754332), (8, 32065749), (9, 28502888), (12, 21377166), (18, 14251444), (19, 13501368), (23, 11153304), (24, 10688583), (31, 8275032), (36, 7125722), (38, 6750684), (46, 5576652), (57, 4500456), (62, 4137516), (69, 3717768), (72, 3562861), (76, 3375342), (92, 2788326), (93, 2758344), (114, 2250228), (124, 2068758), (138, 1858884), (152, 1687671), (171, 1500152), (184, 1394163), (186, 1379172), (207, 1239256), (228, 1125114), (248, 1034379), (263, 975384), (276, 929442), (279, 919448), (342, 750076), (372, 689586), (414, 619628), (437, 587016), (456, 562557), (526, 487692), (552, 464721), (558, 459724), (589, 435528), (684, 375038), (713, 359784), (744, 344793), (789, 325128), (828, 309814), (874, 293508), (1052, 243846), (1116, 229862), (1178, 217764), (1311, 195672), (1368, 187519), (1426, 179892), (1578, 162564), (1656, 154907), (1748, 146754), (1767, 145176), (2104, 121923), (2139, 119928), (2232, 114931), (2356, 108882), (2367, 108376), (2622, 97836), (2852, 89946), (3156, 81282), (3496, 73377), (3534, 72588), (3933, 65224), (4278, 59964), (4712, 54441), (4734, 54188), (4997, 51336), (5244, 48918), (5301, 48392), (5704, 44973), (6049, 42408), (6312, 40641), (6417, 39976), (7068, 36294), (7866, 32612), (8153, 31464), (8556, 29982), (9468, 27094), (9994, 25668), (10488, 24459), (10602, 24196), (12098, 21204), (12834, 19988), (13547, 18936), (14136, 18147), (14991, 17112), (15732, 16306)]