128389128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 387072000

約数和(自身を除く): 258682872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 149, 161, 168, 184, 223, 276, 298, 322, 446, 447, 483, 552, 596, 644, 669, 892, 894, 966, 1043, 1192, 1288, 1338, 1561, 1784, 1788, 1932, 2086, 2676, 3122, 3129, 3427, 3576, 3864, 4172, 4683, 5129, 5352, 6244, 6258, 6854, 8344, 9366, 10258, 10281, 12488, 12516, 13708, 15387, 18732, 20516, 20562, 23989, 25032, 27416, 30774, 33227, 35903, 37464, 41032, 41124, 47978, 61548, 66454, 71806, 71967, 82248, 95956, 99681, 107709, 123096, 132908, 143612, 143934, 191912, 199362, 215418, 232589, 265816, 287224, 287868, 398724, 430836, 465178, 575736, 697767, 764221, 797448, 861672, 930356, 1395534, 1528442, 1860712, 2292663, 2791068, 3056884, 4585326, 5349547, 5582136, 6113768, 9170652, 10699094, 16048641, 18341304, 21398188, 32097282, 42796376, 64194564, 128389128]

約数ペア:

[(1, 128389128), (2, 64194564), (3, 42796376), (4, 32097282), (6, 21398188), (7, 18341304), (8, 16048641), (12, 10699094), (14, 9170652), (21, 6113768), (23, 5582136), (24, 5349547), (28, 4585326), (42, 3056884), (46, 2791068), (56, 2292663), (69, 1860712), (84, 1528442), (92, 1395534), (138, 930356), (149, 861672), (161, 797448), (168, 764221), (184, 697767), (223, 575736), (276, 465178), (298, 430836), (322, 398724), (446, 287868), (447, 287224), (483, 265816), (552, 232589), (596, 215418), (644, 199362), (669, 191912), (892, 143934), (894, 143612), (966, 132908), (1043, 123096), (1192, 107709), (1288, 99681), (1338, 95956), (1561, 82248), (1784, 71967), (1788, 71806), (1932, 66454), (2086, 61548), (2676, 47978), (3122, 41124), (3129, 41032), (3427, 37464), (3576, 35903), (3864, 33227), (4172, 30774), (4683, 27416), (5129, 25032), (5352, 23989), (6244, 20562), (6258, 20516), (6854, 18732), (8344, 15387), (9366, 13708), (10258, 12516), (10281, 12488)]