28286280120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33674143}}^1$

素因数の和:33674164

約数の個数: 64

約数和(自身を含む): 96981534720

約数和(自身を除く): 68695254600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33674143, 67348286, 101022429, 134696572, 168370715, 202044858, 235719001, 269393144, 336741430, 404089716, 471438002, 505112145, 673482860, 707157003, 808179432, 942876004, 1010224290, 1178595005, 1346965720, 1414314006, 1885752008, 2020448580, 2357190010, 2828628012, 3535785015, 4040897160, 4714380020, 5657256024, 7071570030, 9428760040, 14143140060, 28286280120]

約数ペア:

[(1, 28286280120), (2, 14143140060), (3, 9428760040), (4, 7071570030), (5, 5657256024), (6, 4714380020), (7, 4040897160), (8, 3535785015), (10, 2828628012), (12, 2357190010), (14, 2020448580), (15, 1885752008), (20, 1414314006), (21, 1346965720), (24, 1178595005), (28, 1010224290), (30, 942876004), (35, 808179432), (40, 707157003), (42, 673482860), (56, 505112145), (60, 471438002), (70, 404089716), (84, 336741430), (105, 269393144), (120, 235719001), (140, 202044858), (168, 168370715), (210, 134696572), (280, 101022429), (420, 67348286), (840, 33674143)]