256811904

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3953

約数の個数: 128

約数和(自身を含む): 798048000

約数和(自身を除く): 541236096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 288, 304, 342, 384, 432, 456, 513, 576, 608, 684, 864, 912, 1026, 1152, 1216, 1368, 1728, 1824, 2052, 2432, 2736, 3456, 3648, 3911, 4104, 5472, 7296, 7822, 8208, 10944, 11733, 15644, 16416, 21888, 23466, 31288, 32832, 35199, 46932, 62576, 65664, 70398, 74309, 93864, 105597, 125152, 140796, 148618, 187728, 211194, 222927, 250304, 281592, 297236, 375456, 422388, 445854, 500608, 563184, 594472, 668781, 750912, 844776, 891708, 1126368, 1188944, 1337562, 1501824, 1689552, 1783416, 2006343, 2252736, 2377888, 2675124, 3379104, 3566832, 4012686, 4505472, 4755776, 5350248, 6758208, 7133664, 8025372, 9511552, 10700496, 13516416, 14267328, 16050744, 21400992, 28534656, 32101488, 42801984, 64202976, 85603968, 128405952, 256811904]

約数ペア:

[(1, 256811904), (2, 128405952), (3, 85603968), (4, 64202976), (6, 42801984), (8, 32101488), (9, 28534656), (12, 21400992), (16, 16050744), (18, 14267328), (19, 13516416), (24, 10700496), (27, 9511552), (32, 8025372), (36, 7133664), (38, 6758208), (48, 5350248), (54, 4755776), (57, 4505472), (64, 4012686), (72, 3566832), (76, 3379104), (96, 2675124), (108, 2377888), (114, 2252736), (128, 2006343), (144, 1783416), (152, 1689552), (171, 1501824), (192, 1337562), (216, 1188944), (228, 1126368), (288, 891708), (304, 844776), (342, 750912), (384, 668781), (432, 594472), (456, 563184), (513, 500608), (576, 445854), (608, 422388), (684, 375456), (864, 297236), (912, 281592), (1026, 250304), (1152, 222927), (1216, 211194), (1368, 187728), (1728, 148618), (1824, 140796), (2052, 125152), (2432, 105597), (2736, 93864), (3456, 74309), (3648, 70398), (3911, 65664), (4104, 62576), (5472, 46932), (7296, 35199), (7822, 32832), (8208, 31288), (10944, 23466), (11733, 21888), (15644, 16416)]