81212880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48341}}^1$

素因数の和:48364

約数の個数: 80

約数和(自身を含む): 287731584

約数和(自身を除く): 206518704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48341, 96682, 145023, 193364, 241705, 290046, 338387, 386728, 483410, 580092, 676774, 725115, 773456, 966820, 1015161, 1160184, 1353548, 1450230, 1691935, 1933640, 2030322, 2320368, 2707096, 2900460, 3383870, 3867280, 4060644, 5075805, 5414192, 5800920, 6767740, 8121288, 10151610, 11601840, 13535480, 16242576, 20303220, 27070960, 40606440, 81212880]

約数ペア:

[(1, 81212880), (2, 40606440), (3, 27070960), (4, 20303220), (5, 16242576), (6, 13535480), (7, 11601840), (8, 10151610), (10, 8121288), (12, 6767740), (14, 5800920), (15, 5414192), (16, 5075805), (20, 4060644), (21, 3867280), (24, 3383870), (28, 2900460), (30, 2707096), (35, 2320368), (40, 2030322), (42, 1933640), (48, 1691935), (56, 1450230), (60, 1353548), (70, 1160184), (80, 1015161), (84, 966820), (105, 773456), (112, 725115), (120, 676774), (140, 580092), (168, 483410), (210, 386728), (240, 338387), (280, 290046), (336, 241705), (420, 193364), (560, 145023), (840, 96682), (1680, 48341)]