256742784

素因数分解:

$2^7\times 3^4\times {\mathrm{24763}}^1$

素因数の和:24789

約数の個数: 80

約数和(自身を含む): 764093220

約数和(自身を除く): 507350436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 24763, 49526, 74289, 99052, 148578, 198104, 222867, 297156, 396208, 445734, 594312, 668601, 792416, 891468, 1188624, 1337202, 1584832, 1782936, 2005803, 2377248, 2674404, 3169664, 3565872, 4011606, 4754496, 5348808, 7131744, 8023212, 9508992, 10697616, 14263488, 16046424, 21395232, 28526976, 32092848, 42790464, 64185696, 85580928, 128371392, 256742784]

約数ペア:

[(1, 256742784), (2, 128371392), (3, 85580928), (4, 64185696), (6, 42790464), (8, 32092848), (9, 28526976), (12, 21395232), (16, 16046424), (18, 14263488), (24, 10697616), (27, 9508992), (32, 8023212), (36, 7131744), (48, 5348808), (54, 4754496), (64, 4011606), (72, 3565872), (81, 3169664), (96, 2674404), (108, 2377248), (128, 2005803), (144, 1782936), (162, 1584832), (192, 1337202), (216, 1188624), (288, 891468), (324, 792416), (384, 668601), (432, 594312), (576, 445734), (648, 396208), (864, 297156), (1152, 222867), (1296, 198104), (1728, 148578), (2592, 99052), (3456, 74289), (5184, 49526), (10368, 24763)]