728262912

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 216

約数和(自身を含む): 2178478848

約数和(自身を除く): 1450215936

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 169, 181, 186, 192, 208, 248, 256, 312, 338, 362, 372, 384, 403, 416, 496, 507, 543, 624, 676, 724, 744, 768, 806, 832, 992, 1014, 1086, 1209, 1248, 1352, 1448, 1488, 1612, 1664, 1984, 2028, 2172, 2353, 2418, 2496, 2704, 2896, 2976, 3224, 3328, 3968, 4056, 4344, 4706, 4836, 4992, 5239, 5408, 5611, 5792, 5952, 6448, 7059, 7936, 8112, 8688, 9412, 9672, 9984, 10478, 10816, 11222, 11584, 11904, 12896, 14118, 15717, 16224, 16833, 17376, 18824, 19344, 20956, 21632, 22444, 23168, 23808, 25792, 28236, 30589, 31434, 32448, 33666, 34752, 37648, 38688, 41912, 43264, 44888, 46336, 51584, 56472, 61178, 62868, 64896, 67332, 69504, 72943, 75296, 77376, 83824, 89776, 91767, 103168, 112944, 122356, 125736, 129792, 134664, 139008, 145886, 150592, 154752, 167648, 179552, 183534, 218829, 225888, 244712, 251472, 269328, 291772, 301184, 309504, 335296, 359104, 367068, 437658, 451776, 489424, 502944, 538656, 583544, 602368, 670592, 718208, 734136, 875316, 903552, 948259, 978848, 1005888, 1077312, 1167088, 1341184, 1436416, 1468272, 1750632, 1807104, 1896518, 1957696, 2011776, 2154624, 2334176, 2844777, 2936544, 3501264, 3793036, 3915392, 4023552, 4309248, 4668352, 5689554, 5873088, 7002528, 7586072, 7830784, 9336704, 11379108, 11746176, 14005056, 15172144, 18673408, 22758216, 23492352, 28010112, 30344288, 45516432, 56020224, 60688576, 91032864, 121377152, 182065728, 242754304, 364131456, 728262912]

約数ペア:

[(1, 728262912), (2, 364131456), (3, 242754304), (4, 182065728), (6, 121377152), (8, 91032864), (12, 60688576), (13, 56020224), (16, 45516432), (24, 30344288), (26, 28010112), (31, 23492352), (32, 22758216), (39, 18673408), (48, 15172144), (52, 14005056), (62, 11746176), (64, 11379108), (78, 9336704), (93, 7830784), (96, 7586072), (104, 7002528), (124, 5873088), (128, 5689554), (156, 4668352), (169, 4309248), (181, 4023552), (186, 3915392), (192, 3793036), (208, 3501264), (248, 2936544), (256, 2844777), (312, 2334176), (338, 2154624), (362, 2011776), (372, 1957696), (384, 1896518), (403, 1807104), (416, 1750632), (496, 1468272), (507, 1436416), (543, 1341184), (624, 1167088), (676, 1077312), (724, 1005888), (744, 978848), (768, 948259), (806, 903552), (832, 875316), (992, 734136), (1014, 718208), (1086, 670592), (1209, 602368), (1248, 583544), (1352, 538656), (1448, 502944), (1488, 489424), (1612, 451776), (1664, 437658), (1984, 367068), (2028, 359104), (2172, 335296), (2353, 309504), (2418, 301184), (2496, 291772), (2704, 269328), (2896, 251472), (2976, 244712), (3224, 225888), (3328, 218829), (3968, 183534), (4056, 179552), (4344, 167648), (4706, 154752), (4836, 150592), (4992, 145886), (5239, 139008), (5408, 134664), (5611, 129792), (5792, 125736), (5952, 122356), (6448, 112944), (7059, 103168), (7936, 91767), (8112, 89776), (8688, 83824), (9412, 77376), (9672, 75296), (9984, 72943), (10478, 69504), (10816, 67332), (11222, 64896), (11584, 62868), (11904, 61178), (12896, 56472), (14118, 51584), (15717, 46336), (16224, 44888), (16833, 43264), (17376, 41912), (18824, 38688), (19344, 37648), (20956, 34752), (21632, 33666), (22444, 32448), (23168, 31434), (23808, 30589), (25792, 28236)]