128262996

素因数分解:

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

素因数の和:346

約数の個数: 144

約数和(自身を含む): 369008640

約数和(自身を除く): 240745644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 31, 36, 38, 46, 57, 62, 69, 76, 92, 93, 114, 124, 138, 171, 186, 207, 228, 263, 276, 279, 342, 372, 414, 437, 526, 558, 589, 684, 713, 789, 828, 874, 1052, 1116, 1178, 1311, 1426, 1578, 1748, 1767, 2139, 2356, 2367, 2622, 2852, 3156, 3534, 3933, 4278, 4734, 4997, 5244, 5301, 6049, 6417, 7068, 7866, 8153, 8556, 9468, 9994, 10602, 12098, 12834, 13547, 14991, 15732, 16306, 18147, 19988, 21204, 24196, 24459, 25668, 27094, 29982, 32612, 36294, 40641, 44973, 48918, 54188, 54441, 59964, 72588, 73377, 81282, 89946, 97836, 108882, 114931, 121923, 146754, 154907, 162564, 179892, 187519, 217764, 229862, 243846, 293508, 309814, 344793, 375038, 459724, 464721, 487692, 562557, 619628, 689586, 750076, 929442, 1034379, 1125114, 1379172, 1394163, 1687671, 1858884, 2068758, 2250228, 2788326, 3375342, 3562861, 4137516, 5576652, 6750684, 7125722, 10688583, 14251444, 21377166, 32065749, 42754332, 64131498, 128262996]

約数ペア:

[(1, 128262996), (2, 64131498), (3, 42754332), (4, 32065749), (6, 21377166), (9, 14251444), (12, 10688583), (18, 7125722), (19, 6750684), (23, 5576652), (31, 4137516), (36, 3562861), (38, 3375342), (46, 2788326), (57, 2250228), (62, 2068758), (69, 1858884), (76, 1687671), (92, 1394163), (93, 1379172), (114, 1125114), (124, 1034379), (138, 929442), (171, 750076), (186, 689586), (207, 619628), (228, 562557), (263, 487692), (276, 464721), (279, 459724), (342, 375038), (372, 344793), (414, 309814), (437, 293508), (526, 243846), (558, 229862), (589, 217764), (684, 187519), (713, 179892), (789, 162564), (828, 154907), (874, 146754), (1052, 121923), (1116, 114931), (1178, 108882), (1311, 97836), (1426, 89946), (1578, 81282), (1748, 73377), (1767, 72588), (2139, 59964), (2356, 54441), (2367, 54188), (2622, 48918), (2852, 44973), (3156, 40641), (3534, 36294), (3933, 32612), (4278, 29982), (4734, 27094), (4997, 25668), (5244, 24459), (5301, 24196), (6049, 21204), (6417, 19988), (7068, 18147), (7866, 16306), (8153, 15732), (8556, 14991), (9468, 13547), (9994, 12834), (10602, 12098)]