131331480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{156347}}^1$

素因数の和:156368

約数の個数: 64

約数和(自身を含む): 450282240

約数和(自身を除く): 318950760

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, 156347, 312694, 469041, 625388, 781735, 938082, 1094429, 1250776, 1563470, 1876164, 2188858, 2345205, 3126940, 3283287, 3752328, 4377716, 4690410, 5472145, 6253880, 6566574, 8755432, 9380820, 10944290, 13133148, 16416435, 18761640, 21888580, 26266296, 32832870, 43777160, 65665740, 131331480]

約数ペア:

[(1, 131331480), (2, 65665740), (3, 43777160), (4, 32832870), (5, 26266296), (6, 21888580), (7, 18761640), (8, 16416435), (10, 13133148), (12, 10944290), (14, 9380820), (15, 8755432), (20, 6566574), (21, 6253880), (24, 5472145), (28, 4690410), (30, 4377716), (35, 3752328), (40, 3283287), (42, 3126940), (56, 2345205), (60, 2188858), (70, 1876164), (84, 1563470), (105, 1250776), (120, 1094429), (140, 938082), (168, 781735), (210, 625388), (280, 469041), (420, 312694), (840, 156347)]