640652976

素因数分解:

$2^4\times 3^5\times {\mathrm{53}}^1\times {\mathrm{3109}}^1$

素因数の和:3185

約数の個数: 120

約数和(自身を含む): 1895034960

約数和(自身を除く): 1254381984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 81, 106, 108, 144, 159, 162, 212, 216, 243, 318, 324, 424, 432, 477, 486, 636, 648, 848, 954, 972, 1272, 1296, 1431, 1908, 1944, 2544, 2862, 3109, 3816, 3888, 4293, 5724, 6218, 7632, 8586, 9327, 11448, 12436, 12879, 17172, 18654, 22896, 24872, 25758, 27981, 34344, 37308, 49744, 51516, 55962, 68688, 74616, 83943, 103032, 111924, 149232, 164777, 167886, 206064, 223848, 251829, 329554, 335772, 447696, 494331, 503658, 659108, 671544, 755487, 988662, 1007316, 1318216, 1343088, 1482993, 1510974, 1977324, 2014632, 2636432, 2965986, 3021948, 3954648, 4029264, 4448979, 5931972, 6043896, 7909296, 8897958, 11863944, 12087792, 13346937, 17795916, 23727888, 26693874, 35591832, 40040811, 53387748, 71183664, 80081622, 106775496, 160163244, 213550992, 320326488, 640652976]

約数ペア:

[(1, 640652976), (2, 320326488), (3, 213550992), (4, 160163244), (6, 106775496), (8, 80081622), (9, 71183664), (12, 53387748), (16, 40040811), (18, 35591832), (24, 26693874), (27, 23727888), (36, 17795916), (48, 13346937), (53, 12087792), (54, 11863944), (72, 8897958), (81, 7909296), (106, 6043896), (108, 5931972), (144, 4448979), (159, 4029264), (162, 3954648), (212, 3021948), (216, 2965986), (243, 2636432), (318, 2014632), (324, 1977324), (424, 1510974), (432, 1482993), (477, 1343088), (486, 1318216), (636, 1007316), (648, 988662), (848, 755487), (954, 671544), (972, 659108), (1272, 503658), (1296, 494331), (1431, 447696), (1908, 335772), (1944, 329554), (2544, 251829), (2862, 223848), (3109, 206064), (3816, 167886), (3888, 164777), (4293, 149232), (5724, 111924), (6218, 103032), (7632, 83943), (8586, 74616), (9327, 68688), (11448, 55962), (12436, 51516), (12879, 49744), (17172, 37308), (18654, 34344), (22896, 27981), (24872, 25758)]