256799664

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:975

約数の個数: 120

約数和(自身を含む): 788616192

約数和(自身を除く): 531816528

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 223, 264, 396, 446, 528, 669, 727, 792, 892, 1338, 1454, 1584, 1784, 2007, 2181, 2453, 2676, 2908, 3568, 4014, 4362, 4906, 5352, 5816, 6543, 7359, 7997, 8028, 8724, 9812, 10704, 11632, 13086, 14718, 15994, 16056, 17448, 19624, 22077, 23991, 26172, 29436, 31988, 32112, 34896, 39248, 44154, 47982, 52344, 58872, 63976, 71973, 88308, 95964, 104688, 117744, 127952, 143946, 162121, 176616, 191928, 287892, 324242, 353232, 383856, 486363, 575784, 648484, 972726, 1151568, 1296968, 1459089, 1783331, 1945452, 2593936, 2918178, 3566662, 3890904, 5349993, 5836356, 7133324, 7781808, 10699986, 11672712, 14266648, 16049979, 21399972, 23345424, 28533296, 32099958, 42799944, 64199916, 85599888, 128399832, 256799664]

約数ペア:

[(1, 256799664), (2, 128399832), (3, 85599888), (4, 64199916), (6, 42799944), (8, 32099958), (9, 28533296), (11, 23345424), (12, 21399972), (16, 16049979), (18, 14266648), (22, 11672712), (24, 10699986), (33, 7781808), (36, 7133324), (44, 5836356), (48, 5349993), (66, 3890904), (72, 3566662), (88, 2918178), (99, 2593936), (132, 1945452), (144, 1783331), (176, 1459089), (198, 1296968), (223, 1151568), (264, 972726), (396, 648484), (446, 575784), (528, 486363), (669, 383856), (727, 353232), (792, 324242), (892, 287892), (1338, 191928), (1454, 176616), (1584, 162121), (1784, 143946), (2007, 127952), (2181, 117744), (2453, 104688), (2676, 95964), (2908, 88308), (3568, 71973), (4014, 63976), (4362, 58872), (4906, 52344), (5352, 47982), (5816, 44154), (6543, 39248), (7359, 34896), (7997, 32112), (8028, 31988), (8724, 29436), (9812, 26172), (10704, 23991), (11632, 22077), (13086, 19624), (14718, 17448), (15994, 16056)]