15680140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2383}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 38449152

約数和(自身を除く): 22769012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2383, 3290, 4766, 6580, 9532, 11915, 16681, 23830, 33362, 47660, 66724, 83405, 112001, 166810, 224002, 333620, 448004, 560005, 784007, 1120010, 1568014, 2240020, 3136028, 3920035, 7840070, 15680140]

約数ペア:

[(1, 15680140), (2, 7840070), (4, 3920035), (5, 3136028), (7, 2240020), (10, 1568014), (14, 1120010), (20, 784007), (28, 560005), (35, 448004), (47, 333620), (70, 224002), (94, 166810), (140, 112001), (188, 83405), (235, 66724), (329, 47660), (470, 33362), (658, 23830), (940, 16681), (1316, 11915), (1645, 9532), (2383, 6580), (3290, 4766)]