1328689320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2393}}^1$

素因数の和:3075

約数の個数: 128

約数和(自身を含む): 4564304640

約数和(自身を除く): 3235615320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 661, 840, 1322, 1983, 2393, 2644, 3305, 3966, 4627, 4786, 5288, 6610, 7179, 7932, 9254, 9572, 9915, 11965, 13220, 13881, 14358, 15864, 16751, 18508, 19144, 19830, 23135, 23930, 26440, 27762, 28716, 33502, 35895, 37016, 39660, 46270, 47860, 50253, 55524, 57432, 67004, 69405, 71790, 79320, 83755, 92540, 95720, 100506, 111048, 134008, 138810, 143580, 167510, 185080, 201012, 251265, 277620, 287160, 335020, 402024, 502530, 555240, 670040, 1005060, 1581773, 2010120, 3163546, 4745319, 6327092, 7908865, 9490638, 11072411, 12654184, 15817730, 18981276, 22144822, 23726595, 31635460, 33217233, 37962552, 44289644, 47453190, 55362055, 63270920, 66434466, 88579288, 94906380, 110724110, 132868932, 166086165, 189812760, 221448220, 265737864, 332172330, 442896440, 664344660, 1328689320]

約数ペア:

[(1, 1328689320), (2, 664344660), (3, 442896440), (4, 332172330), (5, 265737864), (6, 221448220), (7, 189812760), (8, 166086165), (10, 132868932), (12, 110724110), (14, 94906380), (15, 88579288), (20, 66434466), (21, 63270920), (24, 55362055), (28, 47453190), (30, 44289644), (35, 37962552), (40, 33217233), (42, 31635460), (56, 23726595), (60, 22144822), (70, 18981276), (84, 15817730), (105, 12654184), (120, 11072411), (140, 9490638), (168, 7908865), (210, 6327092), (280, 4745319), (420, 3163546), (661, 2010120), (840, 1581773), (1322, 1005060), (1983, 670040), (2393, 555240), (2644, 502530), (3305, 402024), (3966, 335020), (4627, 287160), (4786, 277620), (5288, 251265), (6610, 201012), (7179, 185080), (7932, 167510), (9254, 143580), (9572, 138810), (9915, 134008), (11965, 111048), (13220, 100506), (13881, 95720), (14358, 92540), (15864, 83755), (16751, 79320), (18508, 71790), (19144, 69405), (19830, 67004), (23135, 57432), (23930, 55524), (26440, 50253), (27762, 47860), (28716, 46270), (33502, 39660), (35895, 37016)]