256382208

素因数分解:

$2^8\times 3^2\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:744

約数の個数: 108

約数和(自身を含む): 744016000

約数和(自身を除く): 487633792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 223, 256, 288, 384, 446, 499, 576, 669, 768, 892, 998, 1152, 1338, 1497, 1784, 1996, 2007, 2304, 2676, 2994, 3568, 3992, 4014, 4491, 5352, 5988, 7136, 7984, 8028, 8982, 10704, 11976, 14272, 15968, 16056, 17964, 21408, 23952, 28544, 31936, 32112, 35928, 42816, 47904, 57088, 63872, 64224, 71856, 85632, 95808, 111277, 127744, 128448, 143712, 171264, 191616, 222554, 256896, 287424, 333831, 383232, 445108, 513792, 574848, 667662, 890216, 1001493, 1149696, 1335324, 1780432, 2002986, 2670648, 3560864, 4005972, 5341296, 7121728, 8011944, 10682592, 14243456, 16023888, 21365184, 28486912, 32047776, 42730368, 64095552, 85460736, 128191104, 256382208]

約数ペア:

[(1, 256382208), (2, 128191104), (3, 85460736), (4, 64095552), (6, 42730368), (8, 32047776), (9, 28486912), (12, 21365184), (16, 16023888), (18, 14243456), (24, 10682592), (32, 8011944), (36, 7121728), (48, 5341296), (64, 4005972), (72, 3560864), (96, 2670648), (128, 2002986), (144, 1780432), (192, 1335324), (223, 1149696), (256, 1001493), (288, 890216), (384, 667662), (446, 574848), (499, 513792), (576, 445108), (669, 383232), (768, 333831), (892, 287424), (998, 256896), (1152, 222554), (1338, 191616), (1497, 171264), (1784, 143712), (1996, 128448), (2007, 127744), (2304, 111277), (2676, 95808), (2994, 85632), (3568, 71856), (3992, 64224), (4014, 63872), (4491, 57088), (5352, 47904), (5988, 42816), (7136, 35928), (7984, 32112), (8028, 31936), (8982, 28544), (10704, 23952), (11976, 21408), (14272, 17964), (15968, 16056)]