320502784

素因数分解:

$2^{10}\times 7^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:821

約数の個数: 88

約数和(自身を含む): 745239008

約数和(自身を除く): 424736224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 512, 733, 854, 896, 976, 1024, 1466, 1708, 1792, 1952, 2932, 3416, 3584, 3904, 5131, 5864, 6832, 7168, 7808, 10262, 11728, 13664, 15616, 20524, 23456, 27328, 31232, 41048, 44713, 46912, 54656, 62464, 82096, 89426, 93824, 109312, 164192, 178852, 187648, 218624, 312991, 328384, 357704, 375296, 437248, 625982, 656768, 715408, 750592, 1251964, 1313536, 1430816, 2503928, 2627072, 2861632, 5007856, 5254144, 5723264, 10015712, 11446528, 20031424, 22893056, 40062848, 45786112, 80125696, 160251392, 320502784]

約数ペア:

[(1, 320502784), (2, 160251392), (4, 80125696), (7, 45786112), (8, 40062848), (14, 22893056), (16, 20031424), (28, 11446528), (32, 10015712), (56, 5723264), (61, 5254144), (64, 5007856), (112, 2861632), (122, 2627072), (128, 2503928), (224, 1430816), (244, 1313536), (256, 1251964), (427, 750592), (448, 715408), (488, 656768), (512, 625982), (733, 437248), (854, 375296), (896, 357704), (976, 328384), (1024, 312991), (1466, 218624), (1708, 187648), (1792, 178852), (1952, 164192), (2932, 109312), (3416, 93824), (3584, 89426), (3904, 82096), (5131, 62464), (5864, 54656), (6832, 46912), (7168, 44713), (7808, 41048), (10262, 31232), (11728, 27328), (13664, 23456), (15616, 20524)]