261909984

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 841397760

約数和(自身を除く): 579487776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 73, 76, 84, 96, 112, 114, 133, 146, 152, 168, 219, 224, 228, 266, 281, 292, 304, 336, 399, 438, 456, 511, 532, 562, 584, 608, 672, 798, 843, 876, 912, 1022, 1064, 1124, 1168, 1387, 1533, 1596, 1686, 1752, 1824, 1967, 2044, 2128, 2248, 2336, 2774, 3066, 3192, 3372, 3504, 3934, 4088, 4161, 4256, 4496, 5339, 5548, 5901, 6132, 6384, 6744, 7008, 7868, 8176, 8322, 8992, 9709, 10678, 11096, 11802, 12264, 12768, 13488, 15736, 16017, 16352, 16644, 19418, 20513, 21356, 22192, 23604, 24528, 26976, 29127, 31472, 32034, 33288, 37373, 38836, 41026, 42712, 44384, 47208, 49056, 58254, 61539, 62944, 64068, 66576, 74746, 77672, 82052, 85424, 94416, 112119, 116508, 123078, 128136, 133152, 143591, 149492, 155344, 164104, 170848, 188832, 224238, 233016, 246156, 256272, 287182, 298984, 310688, 328208, 389747, 430773, 448476, 466032, 492312, 512544, 574364, 597968, 656416, 779494, 861546, 896952, 932064, 984624, 1148728, 1169241, 1195936, 1558988, 1723092, 1793904, 1969248, 2297456, 2338482, 2728229, 3117976, 3446184, 3587808, 4594912, 4676964, 5456458, 6235952, 6892368, 8184687, 9353928, 10912916, 12471904, 13784736, 16369374, 18707856, 21825832, 32738748, 37415712, 43651664, 65477496, 87303328, 130954992, 261909984]

約数ペア:

[(1, 261909984), (2, 130954992), (3, 87303328), (4, 65477496), (6, 43651664), (7, 37415712), (8, 32738748), (12, 21825832), (14, 18707856), (16, 16369374), (19, 13784736), (21, 12471904), (24, 10912916), (28, 9353928), (32, 8184687), (38, 6892368), (42, 6235952), (48, 5456458), (56, 4676964), (57, 4594912), (73, 3587808), (76, 3446184), (84, 3117976), (96, 2728229), (112, 2338482), (114, 2297456), (133, 1969248), (146, 1793904), (152, 1723092), (168, 1558988), (219, 1195936), (224, 1169241), (228, 1148728), (266, 984624), (281, 932064), (292, 896952), (304, 861546), (336, 779494), (399, 656416), (438, 597968), (456, 574364), (511, 512544), (532, 492312), (562, 466032), (584, 448476), (608, 430773), (672, 389747), (798, 328208), (843, 310688), (876, 298984), (912, 287182), (1022, 256272), (1064, 246156), (1124, 233016), (1168, 224238), (1387, 188832), (1533, 170848), (1596, 164104), (1686, 155344), (1752, 149492), (1824, 143591), (1967, 133152), (2044, 128136), (2128, 123078), (2248, 116508), (2336, 112119), (2774, 94416), (3066, 85424), (3192, 82052), (3372, 77672), (3504, 74746), (3934, 66576), (4088, 64068), (4161, 62944), (4256, 61539), (4496, 58254), (5339, 49056), (5548, 47208), (5901, 44384), (6132, 42712), (6384, 41026), (6744, 38836), (7008, 37373), (7868, 33288), (8176, 32034), (8322, 31472), (8992, 29127), (9709, 26976), (10678, 24528), (11096, 23604), (11802, 22192), (12264, 21356), (12768, 20513), (13488, 19418), (15736, 16644), (16017, 16352)]