256578816

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 760040960

約数和(自身を除く): 503462144

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, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 624, 744, 768, 806, 829, 832, 992, 1209, 1248, 1488, 1612, 1658, 1664, 1984, 2418, 2487, 2496, 2976, 3224, 3316, 3328, 3968, 4836, 4974, 4992, 5952, 6448, 6632, 7936, 9672, 9948, 9984, 10777, 11904, 12896, 13264, 19344, 19896, 21554, 23808, 25699, 25792, 26528, 32331, 38688, 39792, 43108, 51398, 51584, 53056, 64662, 77097, 77376, 79584, 86216, 102796, 103168, 106112, 129324, 154194, 154752, 159168, 172432, 205592, 212224, 258648, 308388, 309504, 318336, 334087, 344864, 411184, 517296, 616776, 636672, 668174, 689728, 822368, 1002261, 1034592, 1233552, 1336348, 1379456, 1644736, 2004522, 2069184, 2467104, 2672696, 2758912, 3289472, 4009044, 4138368, 4934208, 5345392, 6578944, 8018088, 8276736, 9868416, 10690784, 16036176, 19736832, 21381568, 32072352, 42763136, 64144704, 85526272, 128289408, 256578816]

約数ペア:

[(1, 256578816), (2, 128289408), (3, 85526272), (4, 64144704), (6, 42763136), (8, 32072352), (12, 21381568), (13, 19736832), (16, 16036176), (24, 10690784), (26, 9868416), (31, 8276736), (32, 8018088), (39, 6578944), (48, 5345392), (52, 4934208), (62, 4138368), (64, 4009044), (78, 3289472), (93, 2758912), (96, 2672696), (104, 2467104), (124, 2069184), (128, 2004522), (156, 1644736), (186, 1379456), (192, 1336348), (208, 1233552), (248, 1034592), (256, 1002261), (312, 822368), (372, 689728), (384, 668174), (403, 636672), (416, 616776), (496, 517296), (624, 411184), (744, 344864), (768, 334087), (806, 318336), (829, 309504), (832, 308388), (992, 258648), (1209, 212224), (1248, 205592), (1488, 172432), (1612, 159168), (1658, 154752), (1664, 154194), (1984, 129324), (2418, 106112), (2487, 103168), (2496, 102796), (2976, 86216), (3224, 79584), (3316, 77376), (3328, 77097), (3968, 64662), (4836, 53056), (4974, 51584), (4992, 51398), (5952, 43108), (6448, 39792), (6632, 38688), (7936, 32331), (9672, 26528), (9948, 25792), (9984, 25699), (10777, 23808), (11904, 21554), (12896, 19896), (13264, 19344)]