2520315

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{127}}^1$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 5296896

約数和(自身を除く): 2776581

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 127, 135, 147, 189, 245, 315, 381, 405, 441, 567, 635, 735, 889, 945, 1143, 1323, 1905, 2205, 2667, 2835, 3429, 3969, 4445, 5715, 6223, 6615, 8001, 10287, 13335, 17145, 18669, 19845, 24003, 31115, 40005, 51435, 56007, 72009, 93345, 120015, 168021, 280035, 360045, 504063, 840105, 2520315]

約数ペア:

[(1, 2520315), (3, 840105), (5, 504063), (7, 360045), (9, 280035), (15, 168021), (21, 120015), (27, 93345), (35, 72009), (45, 56007), (49, 51435), (63, 40005), (81, 31115), (105, 24003), (127, 19845), (135, 18669), (147, 17145), (189, 13335), (245, 10287), (315, 8001), (381, 6615), (405, 6223), (441, 5715), (567, 4445), (635, 3969), (735, 3429), (889, 2835), (945, 2667), (1143, 2205), (1323, 1905)]