2178960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1297}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 7725696

約数和(自身を除く): 5546736

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, 1297, 1680, 2594, 3891, 5188, 6485, 7782, 9079, 10376, 12970, 15564, 18158, 19455, 20752, 25940, 27237, 31128, 36316, 38910, 45395, 51880, 54474, 62256, 72632, 77820, 90790, 103760, 108948, 136185, 145264, 155640, 181580, 217896, 272370, 311280, 363160, 435792, 544740, 726320, 1089480, 2178960]

約数ペア:

[(1, 2178960), (2, 1089480), (3, 726320), (4, 544740), (5, 435792), (6, 363160), (7, 311280), (8, 272370), (10, 217896), (12, 181580), (14, 155640), (15, 145264), (16, 136185), (20, 108948), (21, 103760), (24, 90790), (28, 77820), (30, 72632), (35, 62256), (40, 54474), (42, 51880), (48, 45395), (56, 38910), (60, 36316), (70, 31128), (80, 27237), (84, 25940), (105, 20752), (112, 19455), (120, 18158), (140, 15564), (168, 12970), (210, 10376), (240, 9079), (280, 7782), (336, 6485), (420, 5188), (560, 3891), (840, 2594), (1297, 1680)]