81738048

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 112

約数和(自身を含む): 251464064

約数和(自身を除く): 169726016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 64, 84, 96, 112, 122, 168, 183, 192, 224, 244, 336, 366, 427, 448, 488, 672, 732, 854, 976, 997, 1281, 1344, 1464, 1708, 1952, 1994, 2562, 2928, 2991, 3416, 3904, 3988, 5124, 5856, 5982, 6832, 6979, 7976, 10248, 11712, 11964, 13664, 13958, 15952, 20496, 20937, 23928, 27328, 27916, 31904, 40992, 41874, 47856, 55832, 60817, 63808, 81984, 83748, 95712, 111664, 121634, 167496, 182451, 191424, 223328, 243268, 334992, 364902, 425719, 446656, 486536, 669984, 729804, 851438, 973072, 1277157, 1339968, 1459608, 1702876, 1946144, 2554314, 2919216, 3405752, 3892288, 5108628, 5838432, 6811504, 10217256, 11676864, 13623008, 20434512, 27246016, 40869024, 81738048]

約数ペア:

[(1, 81738048), (2, 40869024), (3, 27246016), (4, 20434512), (6, 13623008), (7, 11676864), (8, 10217256), (12, 6811504), (14, 5838432), (16, 5108628), (21, 3892288), (24, 3405752), (28, 2919216), (32, 2554314), (42, 1946144), (48, 1702876), (56, 1459608), (61, 1339968), (64, 1277157), (84, 973072), (96, 851438), (112, 729804), (122, 669984), (168, 486536), (183, 446656), (192, 425719), (224, 364902), (244, 334992), (336, 243268), (366, 223328), (427, 191424), (448, 182451), (488, 167496), (672, 121634), (732, 111664), (854, 95712), (976, 83748), (997, 81984), (1281, 63808), (1344, 60817), (1464, 55832), (1708, 47856), (1952, 41874), (1994, 40992), (2562, 31904), (2928, 27916), (2991, 27328), (3416, 23928), (3904, 20937), (3988, 20496), (5124, 15952), (5856, 13958), (5982, 13664), (6832, 11964), (6979, 11712), (7976, 10248)]