1280847168

素因数分解:

$2^6\times 3^7\times {\mathrm{9151}}^1$

素因数の和:9184

約数の個数: 112

約数和(自身を含む): 3812357120

約数和(自身を除く): 2531509952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 243, 288, 324, 432, 486, 576, 648, 729, 864, 972, 1296, 1458, 1728, 1944, 2187, 2592, 2916, 3888, 4374, 5184, 5832, 7776, 8748, 9151, 11664, 15552, 17496, 18302, 23328, 27453, 34992, 36604, 46656, 54906, 69984, 73208, 82359, 109812, 139968, 146416, 164718, 219624, 247077, 292832, 329436, 439248, 494154, 585664, 658872, 741231, 878496, 988308, 1317744, 1482462, 1756992, 1976616, 2223693, 2635488, 2964924, 3953232, 4447386, 5270976, 5929848, 6671079, 7906464, 8894772, 11859696, 13342158, 15812928, 17789544, 20013237, 23719392, 26684316, 35579088, 40026474, 47438784, 53368632, 71158176, 80052948, 106737264, 142316352, 160105896, 213474528, 320211792, 426949056, 640423584, 1280847168]

約数ペア:

[(1, 1280847168), (2, 640423584), (3, 426949056), (4, 320211792), (6, 213474528), (8, 160105896), (9, 142316352), (12, 106737264), (16, 80052948), (18, 71158176), (24, 53368632), (27, 47438784), (32, 40026474), (36, 35579088), (48, 26684316), (54, 23719392), (64, 20013237), (72, 17789544), (81, 15812928), (96, 13342158), (108, 11859696), (144, 8894772), (162, 7906464), (192, 6671079), (216, 5929848), (243, 5270976), (288, 4447386), (324, 3953232), (432, 2964924), (486, 2635488), (576, 2223693), (648, 1976616), (729, 1756992), (864, 1482462), (972, 1317744), (1296, 988308), (1458, 878496), (1728, 741231), (1944, 658872), (2187, 585664), (2592, 494154), (2916, 439248), (3888, 329436), (4374, 292832), (5184, 247077), (5832, 219624), (7776, 164718), (8748, 146416), (9151, 139968), (11664, 109812), (15552, 82359), (17496, 73208), (18302, 69984), (23328, 54906), (27453, 46656), (34992, 36604)]