81801384

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:572

約数の個数: 128

約数和(自身を含む): 251520000

約数和(自身を除く): 169718616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 49, 56, 57, 76, 84, 98, 114, 133, 147, 152, 168, 196, 228, 266, 294, 343, 392, 399, 456, 523, 532, 588, 686, 798, 931, 1029, 1046, 1064, 1176, 1372, 1569, 1596, 1862, 2058, 2092, 2744, 2793, 3138, 3192, 3661, 3724, 4116, 4184, 5586, 6276, 6517, 7322, 7448, 8232, 9937, 10983, 11172, 12552, 13034, 14644, 19551, 19874, 21966, 22344, 25627, 26068, 29288, 29811, 39102, 39748, 43932, 51254, 52136, 59622, 69559, 76881, 78204, 79496, 87864, 102508, 119244, 139118, 153762, 156408, 179389, 205016, 208677, 238488, 278236, 307524, 358778, 417354, 486913, 538167, 556472, 615048, 717556, 834708, 973826, 1076334, 1435112, 1460739, 1669416, 1947652, 2152668, 2921478, 3408391, 3895304, 4305336, 5842956, 6816782, 10225173, 11685912, 13633564, 20450346, 27267128, 40900692, 81801384]

約数ペア:

[(1, 81801384), (2, 40900692), (3, 27267128), (4, 20450346), (6, 13633564), (7, 11685912), (8, 10225173), (12, 6816782), (14, 5842956), (19, 4305336), (21, 3895304), (24, 3408391), (28, 2921478), (38, 2152668), (42, 1947652), (49, 1669416), (56, 1460739), (57, 1435112), (76, 1076334), (84, 973826), (98, 834708), (114, 717556), (133, 615048), (147, 556472), (152, 538167), (168, 486913), (196, 417354), (228, 358778), (266, 307524), (294, 278236), (343, 238488), (392, 208677), (399, 205016), (456, 179389), (523, 156408), (532, 153762), (588, 139118), (686, 119244), (798, 102508), (931, 87864), (1029, 79496), (1046, 78204), (1064, 76881), (1176, 69559), (1372, 59622), (1569, 52136), (1596, 51254), (1862, 43932), (2058, 39748), (2092, 39102), (2744, 29811), (2793, 29288), (3138, 26068), (3192, 25627), (3661, 22344), (3724, 21966), (4116, 19874), (4184, 19551), (5586, 14644), (6276, 13034), (6517, 12552), (7322, 11172), (7448, 10983), (8232, 9937)]