680059989

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 1290240000

約数和(自身を除く): 610180011

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 41, 57, 63, 93, 123, 133, 149, 171, 189, 217, 279, 287, 369, 399, 447, 513, 589, 651, 779, 837, 861, 1043, 1107, 1197, 1271, 1341, 1767, 1953, 2337, 2583, 2831, 3129, 3591, 3813, 4023, 4123, 4619, 5301, 5453, 5859, 6109, 7011, 7749, 8493, 8897, 9387, 11439, 12369, 13857, 15903, 16359, 18327, 19817, 21033, 24149, 25479, 26691, 28161, 32333, 34317, 37107, 41571, 42763, 49077, 54981, 59451, 72447, 76437, 80073, 87761, 96999, 111321, 116071, 124713, 128289, 147231, 164943, 169043, 178353, 189379, 217341, 240219, 263283, 290997, 348213, 384867, 507129, 535059, 568137, 614327, 652023, 789849, 812497, 872991, 1044639, 1154601, 1325653, 1521387, 1704411, 1842981, 2369547, 2437491, 3133917, 3598201, 3976959, 4564161, 5113233, 5528943, 7312473, 10794603, 11930877, 16586829, 21937419, 25187407, 32383809, 35792631, 75562221, 97151427, 226686663, 680059989]

約数ペア:

[(1, 680059989), (3, 226686663), (7, 97151427), (9, 75562221), (19, 35792631), (21, 32383809), (27, 25187407), (31, 21937419), (41, 16586829), (57, 11930877), (63, 10794603), (93, 7312473), (123, 5528943), (133, 5113233), (149, 4564161), (171, 3976959), (189, 3598201), (217, 3133917), (279, 2437491), (287, 2369547), (369, 1842981), (399, 1704411), (447, 1521387), (513, 1325653), (589, 1154601), (651, 1044639), (779, 872991), (837, 812497), (861, 789849), (1043, 652023), (1107, 614327), (1197, 568137), (1271, 535059), (1341, 507129), (1767, 384867), (1953, 348213), (2337, 290997), (2583, 263283), (2831, 240219), (3129, 217341), (3591, 189379), (3813, 178353), (4023, 169043), (4123, 164943), (4619, 147231), (5301, 128289), (5453, 124713), (5859, 116071), (6109, 111321), (7011, 96999), (7749, 87761), (8493, 80073), (8897, 76437), (9387, 72447), (11439, 59451), (12369, 54981), (13857, 49077), (15903, 42763), (16359, 41571), (18327, 37107), (19817, 34317), (21033, 32333), (24149, 28161), (25479, 26691)]