428988840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26879}}^1$

素因数の和:26919

約数の個数: 128

約数和(自身を含む): 1548288000

約数和(自身を除く): 1119299160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 26879, 53758, 80637, 107516, 134395, 161274, 188153, 215032, 268790, 322548, 376306, 403185, 510701, 537580, 564459, 645096, 752612, 806370, 940765, 1021402, 1075160, 1128918, 1505224, 1532103, 1612740, 1881530, 2042804, 2257836, 2553505, 2822295, 3064206, 3225480, 3574907, 3763060, 4085608, 4515672, 5107010, 5644590, 6128412, 7149814, 7526120, 7660515, 10214020, 10724721, 11289180, 12256824, 14299628, 15321030, 17874535, 20428040, 21449442, 22578360, 28599256, 30642060, 35749070, 42898884, 53623605, 61284120, 71498140, 85797768, 107247210, 142996280, 214494420, 428988840]

約数ペア:

[(1, 428988840), (2, 214494420), (3, 142996280), (4, 107247210), (5, 85797768), (6, 71498140), (7, 61284120), (8, 53623605), (10, 42898884), (12, 35749070), (14, 30642060), (15, 28599256), (19, 22578360), (20, 21449442), (21, 20428040), (24, 17874535), (28, 15321030), (30, 14299628), (35, 12256824), (38, 11289180), (40, 10724721), (42, 10214020), (56, 7660515), (57, 7526120), (60, 7149814), (70, 6128412), (76, 5644590), (84, 5107010), (95, 4515672), (105, 4085608), (114, 3763060), (120, 3574907), (133, 3225480), (140, 3064206), (152, 2822295), (168, 2553505), (190, 2257836), (210, 2042804), (228, 1881530), (266, 1612740), (280, 1532103), (285, 1505224), (380, 1128918), (399, 1075160), (420, 1021402), (456, 940765), (532, 806370), (570, 752612), (665, 645096), (760, 564459), (798, 537580), (840, 510701), (1064, 403185), (1140, 376306), (1330, 322548), (1596, 268790), (1995, 215032), (2280, 188153), (2660, 161274), (3192, 134395), (3990, 107516), (5320, 80637), (7980, 53758), (15960, 26879)]