256796928

素因数分解:

$2^8\times 3^2\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:740

約数の個数: 108

約数和(自身を含む): 745185168

約数和(自身を除く): 488388240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 227, 256, 288, 384, 454, 491, 576, 681, 768, 908, 982, 1152, 1362, 1473, 1816, 1964, 2043, 2304, 2724, 2946, 3632, 3928, 4086, 4419, 5448, 5892, 7264, 7856, 8172, 8838, 10896, 11784, 14528, 15712, 16344, 17676, 21792, 23568, 29056, 31424, 32688, 35352, 43584, 47136, 58112, 62848, 65376, 70704, 87168, 94272, 111457, 125696, 130752, 141408, 174336, 188544, 222914, 261504, 282816, 334371, 377088, 445828, 523008, 565632, 668742, 891656, 1003113, 1131264, 1337484, 1783312, 2006226, 2674968, 3566624, 4012452, 5349936, 7133248, 8024904, 10699872, 14266496, 16049808, 21399744, 28532992, 32099616, 42799488, 64199232, 85598976, 128398464, 256796928]

約数ペア:

[(1, 256796928), (2, 128398464), (3, 85598976), (4, 64199232), (6, 42799488), (8, 32099616), (9, 28532992), (12, 21399744), (16, 16049808), (18, 14266496), (24, 10699872), (32, 8024904), (36, 7133248), (48, 5349936), (64, 4012452), (72, 3566624), (96, 2674968), (128, 2006226), (144, 1783312), (192, 1337484), (227, 1131264), (256, 1003113), (288, 891656), (384, 668742), (454, 565632), (491, 523008), (576, 445828), (681, 377088), (768, 334371), (908, 282816), (982, 261504), (1152, 222914), (1362, 188544), (1473, 174336), (1816, 141408), (1964, 130752), (2043, 125696), (2304, 111457), (2724, 94272), (2946, 87168), (3632, 70704), (3928, 65376), (4086, 62848), (4419, 58112), (5448, 47136), (5892, 43584), (7264, 35352), (7856, 32688), (8172, 31424), (8838, 29056), (10896, 23568), (11784, 21792), (14528, 17676), (15712, 16344)]