521493840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{103471}}^1$

素因数の和:103497

約数の個数: 120

約数和(自身を含む): 2001562368

約数和(自身を除く): 1480068528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 103471, 206942, 310413, 413884, 517355, 620826, 724297, 827768, 931239, 1034710, 1241652, 1448594, 1552065, 1655536, 1862478, 2069420, 2172891, 2483304, 2897188, 3104130, 3621485, 3724956, 4138840, 4345782, 4656195, 4966608, 5794376, 6208260, 6518673, 7242970, 7449912, 8277680, 8691564, 9312390, 10864455, 11588752, 12416520, 13037346, 14485940, 14899824, 17383128, 18624780, 21728910, 24833040, 26074692, 28971880, 32593365, 34766256, 37249560, 43457820, 52149384, 57943760, 65186730, 74499120, 86915640, 104298768, 130373460, 173831280, 260746920, 521493840]

約数ペア:

[(1, 521493840), (2, 260746920), (3, 173831280), (4, 130373460), (5, 104298768), (6, 86915640), (7, 74499120), (8, 65186730), (9, 57943760), (10, 52149384), (12, 43457820), (14, 37249560), (15, 34766256), (16, 32593365), (18, 28971880), (20, 26074692), (21, 24833040), (24, 21728910), (28, 18624780), (30, 17383128), (35, 14899824), (36, 14485940), (40, 13037346), (42, 12416520), (45, 11588752), (48, 10864455), (56, 9312390), (60, 8691564), (63, 8277680), (70, 7449912), (72, 7242970), (80, 6518673), (84, 6208260), (90, 5794376), (105, 4966608), (112, 4656195), (120, 4345782), (126, 4138840), (140, 3724956), (144, 3621485), (168, 3104130), (180, 2897188), (210, 2483304), (240, 2172891), (252, 2069420), (280, 1862478), (315, 1655536), (336, 1552065), (360, 1448594), (420, 1241652), (504, 1034710), (560, 931239), (630, 827768), (720, 724297), (840, 620826), (1008, 517355), (1260, 413884), (1680, 310413), (2520, 206942), (5040, 103471)]