680645889

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 1327104000

約数和(自身を除く): 646458111

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 59, 63, 77, 93, 99, 177, 179, 189, 217, 231, 279, 297, 341, 413, 531, 537, 649, 651, 693, 837, 1023, 1239, 1253, 1593, 1611, 1829, 1947, 1953, 1969, 2079, 2387, 3069, 3717, 3759, 4543, 4833, 5487, 5549, 5841, 5859, 5907, 7161, 9207, 10561, 11151, 11277, 12803, 13629, 13783, 16461, 16647, 17523, 17721, 20119, 21483, 31683, 33831, 38409, 38843, 40887, 41349, 49383, 49941, 53163, 60357, 61039, 64449, 73927, 95049, 115227, 116171, 116529, 122661, 124047, 140833, 149823, 181071, 183117, 221781, 285147, 327391, 345681, 348513, 349587, 372141, 422499, 427273, 543213, 549351, 665343, 813197, 982173, 1045539, 1048761, 1267497, 1281819, 1648053, 1996029, 2291737, 2439591, 2946519, 3136617, 3601301, 3802491, 3845457, 6875211, 7318773, 8839557, 10803903, 11536371, 20625633, 21956319, 25209107, 32411709, 61876899, 75627321, 97235127, 226881963, 680645889]

約数ペア:

[(1, 680645889), (3, 226881963), (7, 97235127), (9, 75627321), (11, 61876899), (21, 32411709), (27, 25209107), (31, 21956319), (33, 20625633), (59, 11536371), (63, 10803903), (77, 8839557), (93, 7318773), (99, 6875211), (177, 3845457), (179, 3802491), (189, 3601301), (217, 3136617), (231, 2946519), (279, 2439591), (297, 2291737), (341, 1996029), (413, 1648053), (531, 1281819), (537, 1267497), (649, 1048761), (651, 1045539), (693, 982173), (837, 813197), (1023, 665343), (1239, 549351), (1253, 543213), (1593, 427273), (1611, 422499), (1829, 372141), (1947, 349587), (1953, 348513), (1969, 345681), (2079, 327391), (2387, 285147), (3069, 221781), (3717, 183117), (3759, 181071), (4543, 149823), (4833, 140833), (5487, 124047), (5549, 122661), (5841, 116529), (5859, 116171), (5907, 115227), (7161, 95049), (9207, 73927), (10561, 64449), (11151, 61039), (11277, 60357), (12803, 53163), (13629, 49941), (13783, 49383), (16461, 41349), (16647, 40887), (17523, 38843), (17721, 38409), (20119, 33831), (21483, 31683)]