320416128

素因数分解:

$2^7\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 256

約数和(自身を含む): 1028160000

約数和(自身を除く): 707743872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 29, 32, 36, 46, 48, 54, 58, 64, 69, 72, 87, 92, 96, 108, 116, 128, 138, 139, 144, 174, 184, 192, 207, 216, 232, 261, 276, 278, 288, 348, 368, 384, 414, 417, 432, 464, 522, 552, 556, 576, 621, 667, 696, 736, 783, 828, 834, 864, 928, 1044, 1104, 1112, 1152, 1242, 1251, 1334, 1392, 1472, 1566, 1656, 1668, 1728, 1856, 2001, 2088, 2208, 2224, 2484, 2502, 2668, 2784, 2944, 3132, 3197, 3312, 3336, 3456, 3712, 3753, 4002, 4031, 4176, 4416, 4448, 4968, 5004, 5336, 5568, 6003, 6264, 6394, 6624, 6672, 7506, 8004, 8062, 8352, 8832, 8896, 9591, 9936, 10008, 10672, 11136, 12006, 12093, 12528, 12788, 13248, 13344, 15012, 16008, 16124, 16704, 17792, 18009, 19182, 19872, 20016, 21344, 24012, 24186, 25056, 25576, 26496, 26688, 28773, 30024, 32016, 32248, 33408, 36018, 36279, 38364, 39744, 40032, 42688, 48024, 48372, 50112, 51152, 53376, 57546, 60048, 64032, 64496, 72036, 72558, 76728, 79488, 80064, 85376, 86319, 92713, 96048, 96744, 100224, 102304, 108837, 115092, 120096, 128064, 128992, 144072, 145116, 153456, 160128, 172638, 185426, 192096, 193488, 204608, 217674, 230184, 240192, 256128, 257984, 278139, 288144, 290232, 306912, 345276, 370852, 384192, 386976, 409216, 435348, 460368, 480384, 515968, 556278, 576288, 580464, 613824, 690552, 741704, 768384, 773952, 834417, 870696, 920736, 1112556, 1152576, 1160928, 1227648, 1381104, 1483408, 1547904, 1668834, 1741392, 1841472, 2225112, 2305152, 2321856, 2503251, 2762208, 2966816, 3337668, 3482784, 3682944, 4450224, 4643712, 5006502, 5524416, 5933632, 6675336, 6965568, 8900448, 10013004, 11048832, 11867264, 13350672, 13931136, 17800896, 20026008, 26701344, 35601792, 40052016, 53402688, 80104032, 106805376, 160208064, 320416128]

約数ペア:

[(1, 320416128), (2, 160208064), (3, 106805376), (4, 80104032), (6, 53402688), (8, 40052016), (9, 35601792), (12, 26701344), (16, 20026008), (18, 17800896), (23, 13931136), (24, 13350672), (27, 11867264), (29, 11048832), (32, 10013004), (36, 8900448), (46, 6965568), (48, 6675336), (54, 5933632), (58, 5524416), (64, 5006502), (69, 4643712), (72, 4450224), (87, 3682944), (92, 3482784), (96, 3337668), (108, 2966816), (116, 2762208), (128, 2503251), (138, 2321856), (139, 2305152), (144, 2225112), (174, 1841472), (184, 1741392), (192, 1668834), (207, 1547904), (216, 1483408), (232, 1381104), (261, 1227648), (276, 1160928), (278, 1152576), (288, 1112556), (348, 920736), (368, 870696), (384, 834417), (414, 773952), (417, 768384), (432, 741704), (464, 690552), (522, 613824), (552, 580464), (556, 576288), (576, 556278), (621, 515968), (667, 480384), (696, 460368), (736, 435348), (783, 409216), (828, 386976), (834, 384192), (864, 370852), (928, 345276), (1044, 306912), (1104, 290232), (1112, 288144), (1152, 278139), (1242, 257984), (1251, 256128), (1334, 240192), (1392, 230184), (1472, 217674), (1566, 204608), (1656, 193488), (1668, 192096), (1728, 185426), (1856, 172638), (2001, 160128), (2088, 153456), (2208, 145116), (2224, 144072), (2484, 128992), (2502, 128064), (2668, 120096), (2784, 115092), (2944, 108837), (3132, 102304), (3197, 100224), (3312, 96744), (3336, 96048), (3456, 92713), (3712, 86319), (3753, 85376), (4002, 80064), (4031, 79488), (4176, 76728), (4416, 72558), (4448, 72036), (4968, 64496), (5004, 64032), (5336, 60048), (5568, 57546), (6003, 53376), (6264, 51152), (6394, 50112), (6624, 48372), (6672, 48024), (7506, 42688), (8004, 40032), (8062, 39744), (8352, 38364), (8832, 36279), (8896, 36018), (9591, 33408), (9936, 32248), (10008, 32016), (10672, 30024), (11136, 28773), (12006, 26688), (12093, 26496), (12528, 25576), (12788, 25056), (13248, 24186), (13344, 24012), (15012, 21344), (16008, 20016), (16124, 19872), (16704, 19182), (17792, 18009)]