643058640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{127591}}^1$

素因数の和:127617

約数の個数: 120

約数和(自身を含む): 2468139648

約数和(自身を除く): 1825081008

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, 127591, 255182, 382773, 510364, 637955, 765546, 893137, 1020728, 1148319, 1275910, 1531092, 1786274, 1913865, 2041456, 2296638, 2551820, 2679411, 3062184, 3572548, 3827730, 4465685, 4593276, 5103640, 5358822, 5741595, 6124368, 7145096, 7655460, 8038233, 8931370, 9186552, 10207280, 10717644, 11483190, 13397055, 14290192, 15310920, 16076466, 17862740, 18373104, 21435288, 22966380, 26794110, 30621840, 32152932, 35725480, 40191165, 42870576, 45932760, 53588220, 64305864, 71450960, 80382330, 91865520, 107176440, 128611728, 160764660, 214352880, 321529320, 643058640]

約数ペア:

[(1, 643058640), (2, 321529320), (3, 214352880), (4, 160764660), (5, 128611728), (6, 107176440), (7, 91865520), (8, 80382330), (9, 71450960), (10, 64305864), (12, 53588220), (14, 45932760), (15, 42870576), (16, 40191165), (18, 35725480), (20, 32152932), (21, 30621840), (24, 26794110), (28, 22966380), (30, 21435288), (35, 18373104), (36, 17862740), (40, 16076466), (42, 15310920), (45, 14290192), (48, 13397055), (56, 11483190), (60, 10717644), (63, 10207280), (70, 9186552), (72, 8931370), (80, 8038233), (84, 7655460), (90, 7145096), (105, 6124368), (112, 5741595), (120, 5358822), (126, 5103640), (140, 4593276), (144, 4465685), (168, 3827730), (180, 3572548), (210, 3062184), (240, 2679411), (252, 2551820), (280, 2296638), (315, 2041456), (336, 1913865), (360, 1786274), (420, 1531092), (504, 1275910), (560, 1148319), (630, 1020728), (720, 893137), (840, 765546), (1008, 637955), (1260, 510364), (1680, 382773), (2520, 255182), (5040, 127591)]