12987240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{15461}}^1$

素因数の和:15482

約数の個数: 64

約数和(自身を含む): 44530560

約数和(自身を除く): 31543320

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, 15461, 30922, 46383, 61844, 77305, 92766, 108227, 123688, 154610, 185532, 216454, 231915, 309220, 324681, 371064, 432908, 463830, 541135, 618440, 649362, 865816, 927660, 1082270, 1298724, 1623405, 1855320, 2164540, 2597448, 3246810, 4329080, 6493620, 12987240]

約数ペア:

[(1, 12987240), (2, 6493620), (3, 4329080), (4, 3246810), (5, 2597448), (6, 2164540), (7, 1855320), (8, 1623405), (10, 1298724), (12, 1082270), (14, 927660), (15, 865816), (20, 649362), (21, 618440), (24, 541135), (28, 463830), (30, 432908), (35, 371064), (40, 324681), (42, 309220), (56, 231915), (60, 216454), (70, 185532), (84, 154610), (105, 123688), (120, 108227), (140, 92766), (168, 77305), (210, 61844), (280, 46383), (420, 30922), (840, 15461)]