81611376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 267411456

約数和(自身を除く): 185800080

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 71, 77, 84, 88, 112, 132, 142, 154, 168, 176, 213, 231, 264, 284, 308, 311, 336, 426, 462, 497, 528, 568, 616, 622, 781, 852, 924, 933, 994, 1136, 1232, 1244, 1491, 1562, 1704, 1848, 1866, 1988, 2177, 2343, 2488, 2982, 3124, 3408, 3421, 3696, 3732, 3976, 4354, 4686, 4976, 5467, 5964, 6248, 6531, 6842, 7464, 7952, 8708, 9372, 10263, 10934, 11928, 12496, 13062, 13684, 14928, 16401, 17416, 18744, 20526, 21868, 22081, 23856, 23947, 26124, 27368, 32802, 34832, 37488, 41052, 43736, 44162, 47894, 52248, 54736, 65604, 66243, 71841, 82104, 87472, 88324, 95788, 104496, 131208, 132486, 143682, 154567, 164208, 176648, 191576, 242891, 262416, 264972, 287364, 309134, 353296, 383152, 463701, 485782, 529944, 574728, 618268, 728673, 927402, 971564, 1059888, 1149456, 1236536, 1457346, 1700237, 1854804, 1943128, 2473072, 2914692, 3400474, 3709608, 3886256, 5100711, 5829384, 6800948, 7419216, 10201422, 11658768, 13601896, 20402844, 27203792, 40805688, 81611376]

約数ペア:

[(1, 81611376), (2, 40805688), (3, 27203792), (4, 20402844), (6, 13601896), (7, 11658768), (8, 10201422), (11, 7419216), (12, 6800948), (14, 5829384), (16, 5100711), (21, 3886256), (22, 3709608), (24, 3400474), (28, 2914692), (33, 2473072), (42, 1943128), (44, 1854804), (48, 1700237), (56, 1457346), (66, 1236536), (71, 1149456), (77, 1059888), (84, 971564), (88, 927402), (112, 728673), (132, 618268), (142, 574728), (154, 529944), (168, 485782), (176, 463701), (213, 383152), (231, 353296), (264, 309134), (284, 287364), (308, 264972), (311, 262416), (336, 242891), (426, 191576), (462, 176648), (497, 164208), (528, 154567), (568, 143682), (616, 132486), (622, 131208), (781, 104496), (852, 95788), (924, 88324), (933, 87472), (994, 82104), (1136, 71841), (1232, 66243), (1244, 65604), (1491, 54736), (1562, 52248), (1704, 47894), (1848, 44162), (1866, 43736), (1988, 41052), (2177, 37488), (2343, 34832), (2488, 32802), (2982, 27368), (3124, 26124), (3408, 23947), (3421, 23856), (3696, 22081), (3732, 21868), (3976, 20526), (4354, 18744), (4686, 17416), (4976, 16401), (5467, 14928), (5964, 13684), (6248, 13062), (6531, 12496), (6842, 11928), (7464, 10934), (7952, 10263), (8708, 9372)]