61502840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31379}}^1$

素因数の和:31404

約数の個数: 48

約数和(自身を含む): 160979400

約数和(自身を除く): 99476560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 31379, 62758, 125516, 156895, 219653, 251032, 313790, 439306, 627580, 878612, 1098265, 1255160, 1537571, 1757224, 2196530, 3075142, 4393060, 6150284, 7687855, 8786120, 12300568, 15375710, 30751420, 61502840]

約数ペア:

[(1, 61502840), (2, 30751420), (4, 15375710), (5, 12300568), (7, 8786120), (8, 7687855), (10, 6150284), (14, 4393060), (20, 3075142), (28, 2196530), (35, 1757224), (40, 1537571), (49, 1255160), (56, 1098265), (70, 878612), (98, 627580), (140, 439306), (196, 313790), (245, 251032), (280, 219653), (392, 156895), (490, 125516), (980, 62758), (1960, 31379)]