131131560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{156109}}^1$

素因数の和:156130

約数の個数: 64

約数和(自身を含む): 449596800

約数和(自身を除く): 318465240

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, 156109, 312218, 468327, 624436, 780545, 936654, 1092763, 1248872, 1561090, 1873308, 2185526, 2341635, 3122180, 3278289, 3746616, 4371052, 4683270, 5463815, 6244360, 6556578, 8742104, 9366540, 10927630, 13113156, 16391445, 18733080, 21855260, 26226312, 32782890, 43710520, 65565780, 131131560]

約数ペア:

[(1, 131131560), (2, 65565780), (3, 43710520), (4, 32782890), (5, 26226312), (6, 21855260), (7, 18733080), (8, 16391445), (10, 13113156), (12, 10927630), (14, 9366540), (15, 8742104), (20, 6556578), (21, 6244360), (24, 5463815), (28, 4683270), (30, 4371052), (35, 3746616), (40, 3278289), (42, 3122180), (56, 2341635), (60, 2185526), (70, 1873308), (84, 1561090), (105, 1248872), (120, 1092763), (140, 936654), (168, 780545), (210, 624436), (280, 468327), (420, 312218), (840, 156109)]