66787728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1009}}^1$

素因数の和:1224

約数の個数: 80

約数和(自身を含む): 198380160

約数和(自身を除く): 131592432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 197, 336, 394, 591, 788, 1009, 1182, 1379, 1576, 2018, 2364, 2758, 3027, 3152, 4036, 4137, 4728, 5516, 6054, 7063, 8072, 8274, 9456, 11032, 12108, 14126, 16144, 16548, 21189, 22064, 24216, 28252, 33096, 42378, 48432, 56504, 66192, 84756, 113008, 169512, 198773, 339024, 397546, 596319, 795092, 1192638, 1391411, 1590184, 2385276, 2782822, 3180368, 4174233, 4770552, 5565644, 8348466, 9541104, 11131288, 16696932, 22262576, 33393864, 66787728]

約数ペア:

[(1, 66787728), (2, 33393864), (3, 22262576), (4, 16696932), (6, 11131288), (7, 9541104), (8, 8348466), (12, 5565644), (14, 4770552), (16, 4174233), (21, 3180368), (24, 2782822), (28, 2385276), (42, 1590184), (48, 1391411), (56, 1192638), (84, 795092), (112, 596319), (168, 397546), (197, 339024), (336, 198773), (394, 169512), (591, 113008), (788, 84756), (1009, 66192), (1182, 56504), (1379, 48432), (1576, 42378), (2018, 33096), (2364, 28252), (2758, 24216), (3027, 22064), (3152, 21189), (4036, 16548), (4137, 16144), (4728, 14126), (5516, 12108), (6054, 11032), (7063, 9456), (8072, 8274)]