278141920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8011}}^1$

素因数の和:8064

約数の個数: 96

約数和(自身を含む): 775305216

約数和(自身を除く): 497163296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6944, 8011, 8680, 16022, 17360, 32044, 34720, 40055, 56077, 64088, 80110, 112154, 128176, 160220, 224308, 248341, 256352, 280385, 320440, 448616, 496682, 560770, 640880, 897232, 993364, 1121540, 1241705, 1281760, 1738387, 1794464, 1986728, 2243080, 2483410, 3476774, 3973456, 4486160, 4966820, 6953548, 7946912, 8691935, 8972320, 9933640, 13907096, 17383870, 19867280, 27814192, 34767740, 39734560, 55628384, 69535480, 139070960, 278141920]

約数ペア:

[(1, 278141920), (2, 139070960), (4, 69535480), (5, 55628384), (7, 39734560), (8, 34767740), (10, 27814192), (14, 19867280), (16, 17383870), (20, 13907096), (28, 9933640), (31, 8972320), (32, 8691935), (35, 7946912), (40, 6953548), (56, 4966820), (62, 4486160), (70, 3973456), (80, 3476774), (112, 2483410), (124, 2243080), (140, 1986728), (155, 1794464), (160, 1738387), (217, 1281760), (224, 1241705), (248, 1121540), (280, 993364), (310, 897232), (434, 640880), (496, 560770), (560, 496682), (620, 448616), (868, 320440), (992, 280385), (1085, 256352), (1120, 248341), (1240, 224308), (1736, 160220), (2170, 128176), (2480, 112154), (3472, 80110), (4340, 64088), (4960, 56077), (6944, 40055), (8011, 34720), (8680, 32044), (16022, 17360)]