156121280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{69697}}^1$

素因数の和:69721

約数の個数: 56

約数和(自身を含む): 424879008

約数和(自身を除く): 268757728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 69697, 139394, 278788, 348485, 487879, 557576, 696970, 975758, 1115152, 1393940, 1951516, 2230304, 2439395, 2787880, 3903032, 4460608, 4878790, 5575760, 7806064, 9757580, 11151520, 15612128, 19515160, 22303040, 31224256, 39030320, 78060640, 156121280]

約数ペア:

[(1, 156121280), (2, 78060640), (4, 39030320), (5, 31224256), (7, 22303040), (8, 19515160), (10, 15612128), (14, 11151520), (16, 9757580), (20, 7806064), (28, 5575760), (32, 4878790), (35, 4460608), (40, 3903032), (56, 2787880), (64, 2439395), (70, 2230304), (80, 1951516), (112, 1393940), (140, 1115152), (160, 975758), (224, 696970), (280, 557576), (320, 487879), (448, 348485), (560, 278788), (1120, 139394), (2240, 69697)]